Daniel Bertalan e3eb68dd58 AK+Kernel: Avoid double memory clearing of HashTable buckets ...

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.

2022-03-15 11:56:46 +01:00

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