Reported-by: Nick Piggin <[email protected]>
The delay incurred in lock_page() should also be accounted in swap delay
accounting
Signed-off-by: Balbir Singh <[email protected]>
---
mm/memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/swapfile.c~fix-delay-accounting-swap-accounting mm/swapfile.c
diff -puN mm/memory.c~fix-delay-accounting-swap-accounting mm/memory.c
--- linux-2.6-latest/mm/memory.c~fix-delay-accounting-swap-accounting 2007-10-31 12:58:05.000000000 +0530
+++ linux-2.6-latest-balbir/mm/memory.c 2007-10-31 13:02:50.000000000 +0530
@@ -2084,9 +2084,9 @@ static int do_swap_page(struct mm_struct
count_vm_event(PGMAJFAULT);
}
- delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
mark_page_accessed(page);
lock_page(page);
+ delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
/*
* Back out if somebody else already faulted in this pte.
_
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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