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AK+Kernel: Avoid double memory clearing of HashTable buckets

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Since the allocated memory is going to be zeroed immediately anyway,
let's avoid redundantly scrubbing it with MALLOC_SCRUB_BYTE just before
that.

The latest versions of gcc and Clang can automatically do this malloc +
memset -> calloc optimization, but I've seen a couple of places where it
failed to be done.

This commit also adds a naive kcalloc function to the kernel that
doesn't (yet) eliminate the redundancy like the userland does.
This commit is contained in:
Daniel Bertalan 2022-03-14 23:59:16 +01:00 • committed by Andreas Kling
parent cd21e03225
commit e3eb68dd58
Notes: sideshowbarker 2024-07-17 17:23:55 +09:00
4 changed files with 15 additions and 2 deletions
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AK/kmalloc.h
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@ -15,6 +15,7 @@
# include <new>
# include <stdlib.h>
# define kcalloc calloc
# define kmalloc malloc
# define kmalloc_good_size malloc_good_size