X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=mm%2Fmemory.c;h=09e4b1be7b67ddda8336eee4bd76bbbf304a82b3;hb=2ecdc82ef0b03e67ce5ecee79d0d108177a704df;hp=aed45eaf8ac9138442c020b6ab9f49c63604eb95;hpb=a79960e576ebca9dbf24489b562689f2be7e9ff0;p=cascardo%2Flinux.git

diff --git a/mm/memory.c b/mm/memory.c
index aed45eaf8ac9..09e4b1be7b67 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;