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LibC: Tune the number of ChunkedBlocks we keep around empty.

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At the moment, both mmap() and munmap() are kind of slow. Compiling with GCC
was suffering quite badly from munmap() slowness, so let's keep a few more
of the ChunkedBlocks around after they are empty, to avoid having to munmap.
This commit is contained in:
Andreas Kling 2019-05-02 18:11:36 +02:00
parent b4e7925e31
commit 66e401d668
1 changed files with 1 additions and 1 deletions
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2
LibC/malloc.cpp
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@ -15,7 +15,7 @@
#define MAGIC_BIGALLOC_HEADER 0x42697267
#define PAGE_ROUND_UP(x) ((((size_t)(x)) + PAGE_SIZE-1) & (~(PAGE_SIZE-1)))
static const size_t number_of_chunked_blocks_to_keep_around_per_size_class = 4;
static const size_t number_of_chunked_blocks_to_keep_around_per_size_class = 32;
static bool s_log_malloc = false;
static bool s_scrub_malloc = true;