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mm,hwpoison: remove drain_all_pages from shake_page 

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.

Link: https://lkml.kernel.org/r/20201204102558.31607-4-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Qian Cai <qcai@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oscar Salvador 2020-12-14 19:11:45 -08:00 committed by Linus Torvalds
parent 2f7141600d
commit 47e431f43b
1 changed files with 2 additions and 5 deletions
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7
mm/memory-failure.c
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@ -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)
{
@ -273,9 +273,6 @@ void shake_page(struct page *p, int access)
if (!PageSlab(p)) {
lru_add_drain_all();
if (PageLRU(p))
return;
drain_all_pages(page_zone(p));
if (PageLRU(p) || is_free_buddy_page(p))
return;
}