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| author | Naoya Horiguchi <naoya.horiguchi@nec.com> | 2022-04-28 23:16:02 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-28 23:16:02 -0700 |
| commit | b283d983a7a6ffe3939ff26f06d151331a7c1071 (patch) | |
| tree | 369be38981efe0927f6612c66704828fe3f95e41 /init | |
| parent | ef526b17bc3399b8df25d574aa11fc36f89da80a (diff) | |
| download | linux-stable-b283d983a7a6ffe3939ff26f06d151331a7c1071.tar.gz linux-stable-b283d983a7a6ffe3939ff26f06d151331a7c1071.tar.bz2 linux-stable-b283d983a7a6ffe3939ff26f06d151331a7c1071.zip | |
mm, hugetlb, hwpoison: separate branch for free and in-use hugepage
We know that HPageFreed pages should have page refcount 0, so
get_page_unless_zero() always fails and returns 0. So explicitly separate
the branch based on page state for minor optimization and better
readability.
Link: https://lkml.kernel.org/r/20220415041848.GA3034499@ik1-406-35019.vs.sakura.ne.jp
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
Suggested-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions