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improve layout of page for x64

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This commit is contained in:
daan 2019-08-11 10:31:00 -07:00
parent 2c1da9d194
commit 7b105c4810
4 changed files with 17 additions and 17 deletions
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16
src/alloc.c
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@ -72,7 +72,7 @@ extern inline void* mi_heap_malloc(mi_heap_t* heap, size_t size) mi_attr_noexcep
void* p;
if (mi_likely(size <= MI_SMALL_SIZE_MAX)) {
p = mi_heap_malloc_small(heap, size);
}
}
else {
p = _mi_malloc_generic(heap, size);
}
@ -200,16 +200,16 @@ static void mi_decl_noinline mi_free_generic(const mi_segment_t* segment, mi_pag
// Free a block
void mi_free(void* p) mi_attr_noexcept
{
{
#if (MI_DEBUG>0)
if (mi_unlikely(((uintptr_t)p & (MI_INTPTR_SIZE - 1)) != 0)) {
_mi_error_message("trying to free an invalid (unaligned) pointer: %p\n", p);
return;
}
#endif
const mi_segment_t* const segment = _mi_ptr_segment(p);
if (segment == NULL) return; // checks for (p==NULL)
if (segment == NULL) return; // checks for (p==NULL)
#if (MI_DEBUG>0)
if (mi_unlikely(!mi_is_in_heap_region(p))) {
@ -224,8 +224,8 @@ void mi_free(void* p) mi_attr_noexcept
return;
}
#endif
mi_page_t* page = _mi_segment_page_of(segment, p);
mi_page_t* const page = _mi_segment_page_of(segment, p);
#if (MI_STAT>1)
mi_heap_t* heap = mi_heap_get_default();
@ -236,11 +236,11 @@ void mi_free(void* p) mi_attr_noexcept
// huge page stat is accounted for in `_mi_page_retire`
#endif
uintptr_t tid = _mi_thread_id();
const uintptr_t tid = _mi_thread_id();
if (mi_likely(tid == page->flags)) { // if equal, the thread id matches and it is not a full page, nor has aligned blocks
// local, and not full or aligned
mi_block_t* block = (mi_block_t*)p;
mi_block_set_next(page, block, page->local_free);
mi_block_set_next(page, block, page->local_free);
page->local_free = block;
page->used--;
if (mi_unlikely(mi_page_all_free(page))) { _mi_page_retire(page); }