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Add a kmalloc lock. This definitely reduces flakiness.
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parent
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commit
82dae8fc90
Notes:
sideshowbarker
2024-07-19 18:39:39 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/82dae8fc905
2 changed files with 13 additions and 0 deletions
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@ -33,6 +33,11 @@ public:
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m_lock = 0;
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}
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void init()
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{
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m_lock = 0;
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}
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private:
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volatile dword m_lock { 0 };
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};
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@ -10,6 +10,7 @@
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#include "VGA.h"
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#include "system.h"
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#include "Assertions.h"
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#include <AK/Lock.h>
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#define SANITIZE_KMALLOC
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@ -29,9 +30,12 @@ PRIVATE BYTE alloc_map[POOL_SIZE / CHUNK_SIZE / 8];
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DWORD sum_alloc = 0;
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DWORD sum_free = POOL_SIZE;
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static SpinLock s_kmallocLock;
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PUBLIC void
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kmalloc_init()
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{
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s_kmallocLock.init();
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memset( &alloc_map, 0, sizeof(alloc_map) );
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memset( (void *)BASE_PHYS, 0, POOL_SIZE );
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@ -42,6 +46,8 @@ kmalloc_init()
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PUBLIC void *
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kmalloc( DWORD size )
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{
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Locker locker(s_kmallocLock);
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DWORD chunks_needed, chunks_here, first_chunk;
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DWORD real_size;
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DWORD i, j, k;
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@ -117,6 +123,8 @@ kfree( void *ptr )
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if( !ptr )
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return;
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Locker locker(s_kmallocLock);
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allocation_t *a = (allocation_t *)((((BYTE *)ptr) - sizeof(allocation_t)));
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#if 0
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