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LibC: Improve malloc() mmap names somewhat.

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This commit is contained in:
Andreas Kling 2019-05-02 02:58:06 +02:00
parent 4291e96991
commit 2dc72bb297
Notes: sideshowbarker 2024-07-19 14:22:05 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/2dc72bb2974
1 changed files with 7 additions and 4 deletions
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11
LibC/malloc.cpp
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@ -123,9 +123,12 @@ void* malloc(size_t size)
if (!allocator) {
size_t real_size = sizeof(BigAllocationBlock) + size;
void* page_ptr = os_alloc(real_size);
BigAllocationBlock* bigalloc_header = new (page_ptr) BigAllocationBlock(real_size);
return &bigalloc_header->m_slot[0];
auto* block = (BigAllocationBlock*)os_alloc(real_size);
char buffer[64];
snprintf(buffer, sizeof(buffer), "malloc: BigAllocationBlock(%u)", good_size);
set_mmap_name(block, PAGE_SIZE, buffer);
new (block) BigAllocationBlock(real_size);
return &block->m_slot[0];
}
assert(allocator);
@ -138,7 +141,7 @@ void* malloc(size_t size)
if (!block) {
block = (ChunkedBlock*)os_alloc(PAGE_SIZE);
char buffer[64];
snprintf(buffer, sizeof(buffer), "malloc() page (%u)", good_size);
snprintf(buffer, sizeof(buffer), "malloc: ChunkedBlock(%u)", good_size);
set_mmap_name(block, PAGE_SIZE, buffer);
new (block) ChunkedBlock(good_size);
allocator->append(block);