zsmalloc: add a LRU to zs_pool to keep track of zspages in LRU order

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This helps determines the coldest zspages as candidates for writeback.

Link: https://lkml.kernel.org/r/20221128191616.1261026-5-nphamcs@gmail.com
Signed-off-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Nhat Pham 2022-11-28 11:16:13 -08:00 • committed by Andrew Morton

parent c0547d0b6a

commit 64f768c6b3

1 changed files with 50 additions and 0 deletions

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mm/zsmalloc.c

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