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Optionally, the slab allocator can be built to deliver 64-bit aligned allocations by default. Also, the slab allocator is no longer enabled at build time.

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This commit is contained in:
Olaf Barthel
2023-09-06 13:20:10 +02:00
parent 4cb621d24d
commit 8a4a75e721
1 changed files with 2 additions and 20 deletions
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22
library/stdlib_memory.h
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@ -60,21 +60,10 @@
/****************************************************************************/
/*
* Uncomment this to make all memory allocation operations return addresses
* which are aligned to a multiple of MEM_BLOCKSIZE (see <exec/memory.h>).
* This renders them 64 bit aligned which can be useful for floating point
* numbers in data structures used by the PowerPC. You pay for this privilege
* by spending an additional 4 bytes per allocation.
*/
#define __MEM_ALLOCATIONS_64_BIT_ALIGNED
/****************************************************************************/
/*
* Uncomment this to enable the slab allocator.
*/
#define __USE_SLAB_ALLOCATOR
/*#define __USE_SLAB_ALLOCATOR*/
/****************************************************************************/
@ -178,7 +167,7 @@ struct MemoryNode
struct MinNode mn_MinNode;
UBYTE mn_AlreadyFree;
UBYTE mn_Pad0[7]; /* Note: provide 64 bit alignment */
UBYTE mn_Pad0[3];
void * mn_Allocation;
size_t mn_AllocationSize;
@ -199,10 +188,6 @@ struct MemoryNode
#endif /* __MEM_DEBUG */
#ifdef __MEM_ALLOCATIONS_64_BIT_ALIGNED
ULONG mn_Alignment;
#endif /* __MEM_ALLOCATIONS_64_BIT_ALIGNED */
ULONG mn_Size;
};
@ -267,9 +252,6 @@ struct SlabNode
struct SlabSingleAllocation
{
struct MinNode ssa_MinNode;
#ifdef __MEM_ALLOCATIONS_64_BIT_ALIGNED
ULONG ssa_Alignment;
#endif /* __MEM_ALLOCATIONS_64_BIT_ALIGNED */
ULONG ssa_Size;
};