ksm: use precise linear_page_index instead of the whole address space

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Since we now have linear_page_index available that we can use here,
allowing for optimizing the RMAP walk, we can also use it to locate more
precisely all related-processes when error hits the KSM page, which will
decrease a lot of invalid iterations.

Link: https://lore.kernel.org/20260709173312403qgj1Af6pRkFMDSsmc19sM@zte.com.cn
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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xu xin 2026-07-09 17:33:12 +08:00 • committed by Andrew Morton

parent 887311e5cd

commit 0471cade0a

1 changed files with 3 additions and 2 deletions

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mm/ksm.c

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