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authorDavid S. Miller <davem@davemloft.net>2014-12-10 15:48:20 -0500
committerDavid S. Miller <davem@davemloft.net>2014-12-10 15:48:20 -0500
commit22f10923dd39141785273e423b9acf347297e15f (patch)
treecc1f19103817433a426b3e329d6326f5e9d8e8f7 /mm/memory.c
parent785c20a08bead1e58ad53f2dc324782da7a0c9ea (diff)
parent69204cf7eb9c5a72067ce6922d4699378251d053 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/amd/xgbe/xgbe-desc.c drivers/net/ethernet/renesas/sh_eth.c Overlapping changes in both conflict cases. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 3e503831e042..d5f2ae9c4a23 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -815,20 +815,20 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
815 if (!pte_file(pte)) { 815 if (!pte_file(pte)) {
816 swp_entry_t entry = pte_to_swp_entry(pte); 816 swp_entry_t entry = pte_to_swp_entry(pte);
817 817
818 if (swap_duplicate(entry) < 0) 818 if (likely(!non_swap_entry(entry))) {
819 return entry.val; 819 if (swap_duplicate(entry) < 0)
820 820 return entry.val;
821 /* make sure dst_mm is on swapoff's mmlist. */ 821
822 if (unlikely(list_empty(&dst_mm->mmlist))) { 822 /* make sure dst_mm is on swapoff's mmlist. */
823 spin_lock(&mmlist_lock); 823 if (unlikely(list_empty(&dst_mm->mmlist))) {
824 if (list_empty(&dst_mm->mmlist)) 824 spin_lock(&mmlist_lock);
825 list_add(&dst_mm->mmlist, 825 if (list_empty(&dst_mm->mmlist))
826 &src_mm->mmlist); 826 list_add(&dst_mm->mmlist,
827 spin_unlock(&mmlist_lock); 827 &src_mm->mmlist);
828 } 828 spin_unlock(&mmlist_lock);
829 if (likely(!non_swap_entry(entry))) 829 }
830 rss[MM_SWAPENTS]++; 830 rss[MM_SWAPENTS]++;
831 else if (is_migration_entry(entry)) { 831 } else if (is_migration_entry(entry)) {
832 page = migration_entry_to_page(entry); 832 page = migration_entry_to_page(entry);
833 833
834 if (PageAnon(page)) 834 if (PageAnon(page))