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(parent: 6260ae3) | patch
zsmalloc: skip chain size calculation for pow_of_2 classes
authorSergey Senozhatsky <senozhatsky@chromium.org>
Wed, 18 Jan 2023 00:52:08 +0000 (09:52 +0900)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 3 Feb 2023 06:33:23 +0000 (22:33 -0800)
commite1d1f3546913ae0af9da31df8183a6f3da0cd590
tree17b2e297362a6300267820fdc3f1f843663d5c6ctree | snapshot
parent6260ae3583456808dceb4d78077e6388c49ca6d7commit | diff
zsmalloc: skip chain size calculation for pow_of_2 classes

If a class size is power of 2 then it wastes no memory and the best
configuration is 1 physical page per-zspage.

Link: https://lkml.kernel.org/r/20230118005210.2814763-3-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/zsmalloc.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git