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-rw-r--r--mm/memory.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index aed45eaf8ac..09e4b1be7b6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2555,6 +2555,10 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
ret = VM_FAULT_MAJOR;
count_vm_event(PGMAJFAULT);
} else if (PageHWPoison(page)) {
+ /*
+ * hwpoisoned dirty swapcache pages are kept for killing
+ * owner processes (which may be unknown at hwpoison time)
+ */
ret = VM_FAULT_HWPOISON;
delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
goto out_release;