On 2022/5/7 16:17, Fengnan Chang wrote:
Since pvec have 15 pages, it not a multiple of 4, when write compressed
pages, write in 64K as a unit, it will call pagevec_lookup_range_tag
agagin, sometimes this will take a lot of time.
Use onstack pages instead of pvec to mitigate this problem.
Signed-off-by: Fengnan Chang <changfeng...@vivo.com>
Reviewed-by: Chao Yu <c...@kernel.org>
Thanks,
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