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| author |   Balbir Singh <bsingharora@gmail.com> | 2018-12-28 00:33:24 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 12:11:46 -0800 |
| commit | 5eb570a8d9248e0c1358078a59916d0e337e695b (patch) | |
| tree | 9163f5c55857e2439bd9c2d37919a6e79d08218e /include/linux/mmu_notifier.h | |
| parent | mm/page_owner: clamp read count to PAGE_SIZE (diff) | |
| download | wireguard-linux-5eb570a8d9248e0c1358078a59916d0e337e695b.tar.xz wireguard-linux-5eb570a8d9248e0c1358078a59916d0e337e695b.zip | |
mm/hotplug: optimize clear_hwpoisoned_pages()
In hot remove, we try to clear poisoned pages, but a small optimization to
check if num_poisoned_pages is 0 helps remove the iteration through
nr_pages.
[akpm@linux-foundation.org: tweak comment text]
Link: http://lkml.kernel.org/r/20181102120001.4526-1-bsingharora@gmail.com
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmu_notifier.h')
0 files changed, 0 insertions, 0 deletions