On Wednesday 31 October 2007 18:52, Balbir Singh wrote:
> 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]>
Ah right, I forgot to resend this one, sorry. Thanks for remembering.
> ---
>
> 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 2007-10-3
>1 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.
> _
-
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