Messages in this thread Patch in this message |  | | From | Oscar Salvador <> | Subject | [PATCH 7/7] mm,hwpoison: Remove drain_all_pages from shake_page | Date | Thu, 19 Nov 2020 11:57:16 +0100 |
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get_hwpoison_page already drains pcplists, previously disabling them when trying to grab a refcount. We do not need shake_page to take care of it anymore.
Signed-off-by: Oscar Salvador <osalvador@suse.de> --- mm/memory-failure.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 512613e9a1bd..ad976e1c3178 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -263,8 +263,8 @@ static int kill_proc(struct to_kill *tk, unsigned long pfn, int flags) } /* - * When a unknown page type is encountered drain as many buffers as possible - * in the hope to turn the page into a LRU or free page, which we can handle. + * Unknown page type encountered. Try to check whether it can turn PageLRU by + * lru_add_drain_all, or a free page by reclaiming slabs when possible. */ void shake_page(struct page *p, int access) { @@ -275,9 +275,6 @@ void shake_page(struct page *p, int access) lru_add_drain_all(); if (PageLRU(p)) return; - drain_all_pages(page_zone(p)); - if (PageLRU(p) || is_free_buddy_page(p)) - return; } /* -- 2.26.2
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