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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_d9dcf62a8e8b4cc91cbf2445d76a799b.html">lib</a></div>
<h1>kmalloc.c File Reference</h1><code>#include <<a class="el" href="kmalloc_8h-source.html">lib/kmalloc.h</a>></code><br>
<code>#include <<a class="el" href="kprintf_8h-source.html">lib/kprintf.h</a>></code><br>
<code>#include <<a class="el" href="kpanic_8h-source.html">ubixos/kpanic.h</a>></code><br>
<code>#include <<a class="el" href="sched_8h-source.html">ubixos/sched.h</a>></code><br>
<code>#include <<a class="el" href="spinlock_8h-source.html">ubixos/spinlock.h</a>></code><br>
<code>#include <<a class="el" href="vmm_8h-source.html">vmm/vmm.h</a>></code><br>
<code>#include <<a class="el" href="string_8h-source.html">string.h</a>></code><br>
<code>#include <<a class="el" href="assert_8h-source.html">assert.h</a>></code><br>
<p>
<a href="kmalloc_8c-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static void * </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#f6c4ea5cb961c72548d92ff65d7e33a4">getEmptyDesc</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#eb1c3f1ef8eb9063c2e5c4af488dd2d0">insertFreeDesc</a> (struct <a class="el" href="structmemDescriptor.html">memDescriptor</a> *freeDesc)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#aa9ed6886459604cf73ccdbf6410e487">kfree</a> (void *baseAddr)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#150eab2ac4ce4553e21ca10e7f441762">kmalloc</a> (<a class="el" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> len)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#e86fd9a9efa965202367d84e53bc7c85">mergeMemBlocks</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="spinlock_8h.html#a240e9404b4ede1e0d714610080d1176">spinLock_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#2d89e65292e7be33cb2424224396ee2d">emptyDescSpinLock</a> = SPIN_LOCK_INITIALIZER</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static struct <a class="el" href="structmemDescriptor.html">memDescriptor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#33325db110e0782930deda9b52e7224b">emptyKernDesc</a> = 0x0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static struct <a class="el" href="structmemDescriptor.html">memDescriptor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#a0c5be194ccb3f36a4ea8e666fbd2dac">freeKernDesc</a> = 0x0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="spinlock_8h.html#a240e9404b4ede1e0d714610080d1176">spinLock_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#6f529a6db980782464a6c1bb7eddd09c">mallocSpinLock</a> = SPIN_LOCK_INITIALIZER</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static struct <a class="el" href="structmemDescriptor.html">memDescriptor</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="kmalloc_8c.html#f60f75b69fa71f90b84c0dd58f0040a5">usedKernDesc</a> = 0x0</td></tr>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="f6c4ea5cb961c72548d92ff65d7e33a4"></a><!-- doxytag: member="kmalloc.c::getEmptyDesc" ref="f6c4ea5cb961c72548d92ff65d7e33a4" args="()" -->
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<td class="memname">static void* getEmptyDesc </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
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<p>
Definition at line <a class="el" href="kmalloc_8c-source.html#l00067">67</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
<p>
References <a class="el" href="kmalloc_8c-source.html#l00055">emptyDescSpinLock</a>, <a class="el" href="kmalloc_8c-source.html#l00049">emptyKernDesc</a>, <a class="el" href="kpanic_8c-source.html#l00044">kpanic()</a>, <a class="el" href="memset_8c-source.html#l00037">memset()</a>, <a class="el" href="kmalloc_8h-source.html#l00045">memDescriptor::next</a>, <a class="el" href="kmalloc_8h-source.html#l00044">memDescriptor::prev</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, <a class="el" href="paging_8c-source.html#l00401">vmm_getFreeMallocPage()</a>, and <a class="el" href="ap-boot_8S-source.html#l00006">x1</a>.
<p>
Referenced by <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>.
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<a class="anchor" name="eb1c3f1ef8eb9063c2e5c4af488dd2d0"></a><!-- doxytag: member="kmalloc.c::insertFreeDesc" ref="eb1c3f1ef8eb9063c2e5c4af488dd2d0" args="(struct memDescriptor *freeDesc)" -->
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<td class="memname">static int insertFreeDesc </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structmemDescriptor.html">memDescriptor</a> * </td>
<td class="paramname"> <em>freeDesc</em> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00124">124</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
<p>
References <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="kmalloc_8c-source.html#l00048">freeKernDesc</a>, <a class="el" href="kpanic_8c-source.html#l00044">kpanic()</a>, <a class="el" href="kmalloc_8h-source.html#l00047">memDescriptor::limit</a>, <a class="el" href="kmalloc_8h-source.html#l00045">memDescriptor::next</a>, and <a class="el" href="kmalloc_8h-source.html#l00044">memDescriptor::prev</a>.
<p>
Referenced by <a class="el" href="kmalloc_8c-source.html#l00351">kfree()</a>, and <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>.
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<a class="anchor" name="aa9ed6886459604cf73ccdbf6410e487"></a><!-- doxytag: member="kmalloc.c::kfree" ref="aa9ed6886459604cf73ccdbf6410e487" args="(void *baseAddr)" -->
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<td class="memname">void kfree </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>baseAddr</em> </td>
<td> ) </td>
<td width="100%"></td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00351">351</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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References <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="kmalloc_8h-source.html#l00046">memDescriptor::baseAddr</a>, <a class="el" href="kmalloc_8c-source.html#l00124">insertFreeDesc()</a>, <a class="el" href="kprintf_8c-source.html#l00038">kprintf()</a>, <a class="el" href="kmalloc_8h-source.html#l00047">memDescriptor::limit</a>, <a class="el" href="kmalloc_8c-source.html#l00054">mallocSpinLock</a>, <a class="el" href="memset_8c-source.html#l00037">memset()</a>, <a class="el" href="kmalloc_8h-source.html#l00045">memDescriptor::next</a>, <a class="el" href="kmalloc_8h-source.html#l00044">memDescriptor::prev</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, and <a class="el" href="kmalloc_8c-source.html#l00047">usedKernDesc</a>.
<p>
Referenced by <a class="el" href="kern__descrip_8c-source.html#l00090">close()</a>, <a class="el" href="device_8c-source.html#l00110">device_remove()</a>, <a class="el" href="exec_8c-source.html#l00142">execFile()</a>, <a class="el" href="file_8c-source.html#l00398">fclose()</a>, <a class="el" href="file_8c-source.html#l00274">fopen()</a>, <a class="el" href="kmod_8c-source.html#l00075">kmod_load()</a>, <a class="el" href="ld_8c-source.html#l00042">ldEnable()</a>, <a class="el" href="system_8c-source.html#l00234">mpi_destroyMbox()</a>, <a class="el" href="system_8c-source.html#l00189">mpi_fetchMessage()</a>, <a class="el" href="ne2k_8c-source.html#l00353">ne2kFreeBuffer()</a>, <a class="el" href="libcpp_8cc-source.html#l00064">operator delete()</a>, <a class="el" href="libcpp_8cc-source.html#l00051">operator delete[]()</a>, <a class="el" href="sys__arch_8c-source.html#l00215">sys_mbox_free()</a>, <a class="el" href="sys__arch_8c-source.html#l00385">sys_sem_free_()</a>, <a class="el" href="gen__calls_8c-source.html#l00067">sys_write()</a>, <a class="el" href="exec_8c-source.html#l00333">sysExec()</a>, <a class="el" href="systemtask_8c-source.html#l00048">systemTask()</a>, <a class="el" href="dirCache_8c-source.html#l00202">ubixfs_cacheDelete()</a>, <a class="el" href="directory_8c-source.html#l00094">ubixFSmkDir()</a>, <a class="el" href="ubthread_8c-source.html#l00064">ubthread_cond_destroy()</a>, <a class="el" href="ubthread_8c-source.html#l00070">ubthread_mutex_destroy()</a>, <a class="el" href="mount_8c-source.html#l00047">vfs_mount()</a>, and <a class="el" href="ubixfs_8c-source.html#l00232">writeUbixFS()</a>.
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<a class="anchor" name="150eab2ac4ce4553e21ca10e7f441762"></a><!-- doxytag: member="kmalloc.c::kmalloc" ref="150eab2ac4ce4553e21ca10e7f441762" args="(uInt32 len)" -->
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<td class="memname">void* kmalloc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> </td>
<td class="paramname"> <em>len</em> </td>
<td> ) </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00247">247</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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References <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="kmalloc_8h-source.html#l00046">memDescriptor::baseAddr</a>, <a class="el" href="kmalloc_8c-source.html#l00048">freeKernDesc</a>, <a class="el" href="kmalloc_8c-source.html#l00067">getEmptyDesc()</a>, <a class="el" href="kmalloc_8c-source.html#l00124">insertFreeDesc()</a>, <a class="el" href="kprintf_8c-source.html#l00038">kprintf()</a>, <a class="el" href="kmalloc_8h-source.html#l00047">memDescriptor::limit</a>, <a class="el" href="kmalloc_8h-source.html#l00041">MALLOC_ALIGN</a>, <a class="el" href="kmalloc_8c-source.html#l00054">mallocSpinLock</a>, <a class="el" href="kmalloc_8h-source.html#l00045">memDescriptor::next</a>, <a class="el" href="kmalloc_8h-source.html#l00044">memDescriptor::prev</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, and <a class="el" href="kmalloc_8c-source.html#l00047">usedKernDesc</a>.
<p>
Referenced by <a class="el" href="directory_8c-source.html#l00066">addDirEntry()</a>, <a class="el" href="bioscall_8c-source.html#l00050">biosCall()</a>, <a class="el" href="devfs_8c-source.html#l00050">devfs_initialize()</a>, <a class="el" href="devfs_8c-source.html#l00178">devfs_makeNode()</a>, <a class="el" href="device_8c-source.html#l00051">device_add()</a>, <a class="el" href="exec_8c-source.html#l00142">execFile()</a>, <a class="el" href="kern__descrip_8c-source.html#l00067">falloc()</a>, <a class="el" href="fdc_8c-source.html#l00063">fdc_init()</a>, <a class="el" href="file_8c-source.html#l00274">fopen()</a>, <a class="el" href="hd_8c-source.html#l00039">initHardDisk()</a>, <a class="el" href="lnc_8c-source.html#l00104">initLNC()</a>, <a class="el" href="main_8c-source.html#l00097">kmain()</a>, <a class="el" href="kmod_8c-source.html#l00046">kmod_add()</a>, <a class="el" href="kmod_8c-source.html#l00075">kmod_load()</a>, <a class="el" href="ld_8c-source.html#l00042">ldEnable()</a>, <a class="el" href="lnc_8c-source.html#l00246">lncAttach()</a>, <a class="el" href="ethernetif_8c-source.html#l00081">low_level_init()</a>, <a class="el" href="system_8c-source.html#l00069">mpi_createMbox()</a>, <a class="el" href="system_8c-source.html#l00143">mpi_postMessage()</a>, <a class="el" href="system_8c-source.html#l00108">mpi_spam()</a>, <a class="el" href="ne2k_8c-source.html#l00070">ne2k_init()</a>, <a class="el" href="ne2k_8c-source.html#l00313">ne2kAllocBuffer()</a>, <a class="el" href="ubixfs_8c-source.html#l00046">openFileUbixFS()</a>, <a class="el" href="libcpp_8cc-source.html#l00058">operator new()</a>, <a class="el" href="libcpp_8cc-source.html#l00046">operator new[]()</a>, <a class="el" href="sched_8c-source.html#l00069">sched_init()</a>, <a class="el" href="sched_8c-source.html#l00143">schedNewTask()</a>, <a class="el" href="shell_8c-source.html#l00094">shell_thread()</a>, <a class="el" href="sys__arch_8c-source.html#l00204">sys_mbox_new()</a>, <a class="el" href="sys__arch_8c-source.html#l00299">sys_sem_new_()</a>, <a class="el" href="sys__arch_8c-source.html#l00172">sys_thread_new()</a>, <a class="el" href="gen__calls_8c-source.html#l00067">sys_write()</a>, <a class="el" href="kern__sysctl_8c-source.html#l00205">sysctl_add()</a>, <a class="el" href="kern__sysctl_8c-source.html#l00065">sysctl_init()</a>, <a class="el" href="exec_8c-source.html#l00333">sysExec()</a>, <a class="el" href="tty_8c-source.html#l00042">tty_init()</a>, <a class="el" href="dirCache_8c-source.html#l00185">ubixfs_cacheNew()</a>, <a class="el" href="ubixfs_8c-source.html#l00376">ubixfs_initialize()</a>, <a class="el" href="directory_8c-source.html#l00041">ubixFSLoadDir()</a>, <a class="el" href="directory_8c-source.html#l00094">ubixFSmkDir()</a>, <a class="el" href="ubixfs_8c-source.html#l00309">ubixFSUnlink()</a>, <a class="el" href="ubthread_8c-source.html#l00048">ubthread_cond_init()</a>, <a class="el" href="ubthread_8c-source.html#l00076">ubthread_create()</a>, <a class="el" href="ubthread_8c-source.html#l00056">ubthread_mutex_init()</a>, <a class="el" href="ufs_8c-source.html#l00272">ufs_openFile()</a>, <a class="el" href="mount_8c-source.html#l00047">vfs_mount()</a>, <a class="el" href="vfs_8c-source.html#l00081">vfsRegisterFS()</a>, <a class="el" href="vitals_8c-source.html#l00048">vitals_init()</a>, and <a class="el" href="ubixfs_8c-source.html#l00232">writeUbixFS()</a>.
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<a class="anchor" name="e86fd9a9efa965202367d84e53bc7c85"></a><!-- doxytag: member="kmalloc.c::mergeMemBlocks" ref="e86fd9a9efa965202367d84e53bc7c85" args="()" -->
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<td class="memname">static void mergeMemBlocks </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
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<p>
Definition at line <a class="el" href="kmalloc_8c-source.html#l00185">185</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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References <a class="el" href="kmalloc_8h-source.html#l00046">memDescriptor::baseAddr</a>, <a class="el" href="kmalloc_8c-source.html#l00049">emptyKernDesc</a>, <a class="el" href="kmalloc_8c-source.html#l00048">freeKernDesc</a>, <a class="el" href="kmalloc_8h-source.html#l00047">memDescriptor::limit</a>, <a class="el" href="kmalloc_8h-source.html#l00045">memDescriptor::next</a>, and <a class="el" href="kmalloc_8h-source.html#l00044">memDescriptor::prev</a>.
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="2d89e65292e7be33cb2424224396ee2d"></a><!-- doxytag: member="kmalloc.c::emptyDescSpinLock" ref="2d89e65292e7be33cb2424224396ee2d" args="" -->
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<td class="memname"><a class="el" href="spinlock_8h.html#a240e9404b4ede1e0d714610080d1176">spinLock_t</a> <a class="el" href="kmalloc_8c.html#2d89e65292e7be33cb2424224396ee2d">emptyDescSpinLock</a> = SPIN_LOCK_INITIALIZER<code> [static]</code> </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00055">55</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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Referenced by <a class="el" href="kmalloc_8c-source.html#l00067">getEmptyDesc()</a>.
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<a class="anchor" name="33325db110e0782930deda9b52e7224b"></a><!-- doxytag: member="kmalloc.c::emptyKernDesc" ref="33325db110e0782930deda9b52e7224b" args="" -->
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<td class="memname">struct <a class="el" href="structmemDescriptor.html">memDescriptor</a>* <a class="el" href="kmalloc_8c.html#33325db110e0782930deda9b52e7224b">emptyKernDesc</a> = 0x0<code> [static]</code> </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00049">49</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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Referenced by <a class="el" href="kmalloc_8c-source.html#l00067">getEmptyDesc()</a>, and <a class="el" href="kmalloc_8c-source.html#l00185">mergeMemBlocks()</a>.
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<a class="anchor" name="a0c5be194ccb3f36a4ea8e666fbd2dac"></a><!-- doxytag: member="kmalloc.c::freeKernDesc" ref="a0c5be194ccb3f36a4ea8e666fbd2dac" args="" -->
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<td class="memname">struct <a class="el" href="structmemDescriptor.html">memDescriptor</a>* <a class="el" href="kmalloc_8c.html#a0c5be194ccb3f36a4ea8e666fbd2dac">freeKernDesc</a> = 0x0<code> [static]</code> </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00048">48</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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Referenced by <a class="el" href="kmalloc_8c-source.html#l00124">insertFreeDesc()</a>, <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>, and <a class="el" href="kmalloc_8c-source.html#l00185">mergeMemBlocks()</a>.
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<a class="anchor" name="6f529a6db980782464a6c1bb7eddd09c"></a><!-- doxytag: member="kmalloc.c::mallocSpinLock" ref="6f529a6db980782464a6c1bb7eddd09c" args="" -->
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<td class="memname"><a class="el" href="spinlock_8h.html#a240e9404b4ede1e0d714610080d1176">spinLock_t</a> <a class="el" href="kmalloc_8c.html#6f529a6db980782464a6c1bb7eddd09c">mallocSpinLock</a> = SPIN_LOCK_INITIALIZER<code> [static]</code> </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00054">54</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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Referenced by <a class="el" href="kmalloc_8c-source.html#l00351">kfree()</a>, and <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>.
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<a class="anchor" name="f60f75b69fa71f90b84c0dd58f0040a5"></a><!-- doxytag: member="kmalloc.c::usedKernDesc" ref="f60f75b69fa71f90b84c0dd58f0040a5" args="" -->
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<td class="memname">struct <a class="el" href="structmemDescriptor.html">memDescriptor</a>* <a class="el" href="kmalloc_8c.html#f60f75b69fa71f90b84c0dd58f0040a5">usedKernDesc</a> = 0x0<code> [static]</code> </td>
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Definition at line <a class="el" href="kmalloc_8c-source.html#l00047">47</a> of file <a class="el" href="kmalloc_8c-source.html">kmalloc.c</a>.
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Referenced by <a class="el" href="kmalloc_8c-source.html#l00351">kfree()</a>, and <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>.
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