mm/memory-failure.c · 55c7ac4527086d52dedc5da4ee3d676bcc9a7691 · Kirill Smelkov / linux

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mm: memory-failure: use local variable huge to check hugetlb page · 55c7ac45

Miaohe Lin authored Jul 11, 2023

Use local variable huge to check whether page is hugetlb page to avoid
calling PageHuge() multiple times to save cpu cycles.  PageHuge() will be
stable while extra page refcnt is held.

Link: https://lkml.kernel.org/r/20230711055016.2286677-5-linmiaohe@huawei.com

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

55c7ac45

memory-failure.c 71.5 KB

Replace memory-failure.c