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Add lazy commit option

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noselasd
2026-09-23 18:33:29 +02:00
parent 25dc1cf8f5
commit b096434964
5 changed files with 41 additions and 10 deletions
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src/base/arena.c
+3 -4
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@@ -10,7 +10,7 @@ static MemoryBlock *memoryblock_allocate(U32 size, U32 commit_size, U32 page_siz
MemoryBlock *block = memory_reserve(size);
Assert(block != NULL);
memory_commit(block, commit_size);
memory_commit(block, commit_size, false);
ASAN_POISON_MEMORY_REGION(block, size);
ASAN_UNPOISON_MEMORY_REGION(block, MemoryBlock_Header_Size);
@@ -38,7 +38,7 @@ void arena_init(Arena *arena, const ArenaOptions *opts)
MemoryBlock *block = memoryblock_allocate(aligned_size, aligned_commit_size, page_size);
arena->flags = opts->flags;
arena->temp_level = 0;
arena->temp_level = 0;
arena->current = block;
arena->block_size = aligned_size;
arena->commit_size = aligned_commit_size;
@@ -61,7 +61,6 @@ void *arena_push(Arena *arena, U32 size, U32 align)
{
Assert(IsPow2(align));
MemoryBlock *block = arena->current;
U32 start_pos = AlignUp(block->first_free, align); // might align past block->size, handled in below check
U32 available = block->size - start_pos;
@@ -97,7 +96,7 @@ void *arena_push(Arena *arena, U32 size, U32 align)
U32 aligned_size = RoundUpToMultiple(aligned_end_pos - block->committed_end, arena->commit_size);
aligned_size = Min(aligned_size, block->size - block->committed_end);
memory_commit(&block->base[block->committed_end], aligned_size);
memory_commit(&block->base[block->committed_end], aligned_size, false);
block->committed_end += aligned_size;
Assert(block->committed_end <= block->size);
}