linux-kernel - [PATCH v1 5/9] mm: soft-offline: dissolve free hugepage if soft-offlined

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Message-Id: <1496305019-5493-6-git-send-email-n-horiguchi@ah.jp.nec.com>
Date:   Thu,  1 Jun 2017 17:16:55 +0900
From:   Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:     linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Subject: [PATCH v1 5/9] mm: soft-offline: dissolve free hugepage if soft-offlined

Now we have code to rescue most of healthy pages from a hwpoisoned
hugepage.  So let's apply it to soft_offline_free_page too.

Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
---
 mm/memory-failure.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git v4.12-rc3/mm/memory-failure.c v4.12-rc3_patched/mm/memory-failure.c
index e03903f..a5f52cc 100644
--- v4.12-rc3/mm/memory-failure.c
+++ v4.12-rc3_patched/mm/memory-failure.c
@@ -1693,7 +1693,7 @@ static void soft_offline_free_page(struct page *page)
 	if (!TestSetPageHWPoison(head)) {
 		num_poisoned_pages_inc();
 		if (PageHuge(head))
-			dequeue_hwpoisoned_huge_page(head);
+			dissolve_free_huge_page(page);
 	}
 }
 
-- 
2.7.0