Small adjustment: do_swap_page should report its !pte_same race as a
major fault if it had to read into swap cache, because whatever raced
with it will have found page already in cache and reported minor fault.
Signed-off-by: Hugh Dickins <[email protected]>
---
mm/memory.c | 4 +---
1 files changed, 1 insertion(+), 3 deletions(-)
--- mm02/mm/memory.c 2005-10-11 23:53:17.000000000 +0100
+++ mm03/mm/memory.c 2005-10-11 23:53:35.000000000 +0100
@@ -1728,10 +1728,8 @@ static int do_swap_page(struct mm_struct
*/
spin_lock(&mm->page_table_lock);
page_table = pte_offset_map(pmd, address);
- if (unlikely(!pte_same(*page_table, orig_pte))) {
- ret = VM_FAULT_MINOR;
+ if (unlikely(!pte_same(*page_table, orig_pte)))
goto out_nomap;
- }
if (unlikely(!PageUptodate(page))) {
ret = VM_FAULT_SIGBUS;
-
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