mm,hwpoison: remove drain_all_pages from shake_page (47e431f4) · Commits · 戴 / test

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:

Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Qian Cai <qcai@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by:

mm/memory-failure.c

+2 −5

Original line number	Diff line number	Diff line
		@@ -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;
		}