Re: [PATCH] vmscan: prevent background aging of anon page in no swap system

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi, KOSAKI.

On Tue, Aug 31, 2010 at 9:56 AM, KOSAKI Motohiro
<kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
>> diff --git a/mm/vmscan.c b/mm/vmscan.c
>> index 1b145e6..0b8a3ce 100644
>> --- a/mm/vmscan.c
>> +++ b/mm/vmscan.c
>> @@ -1747,7 +1747,7 @@ static void shrink_zone(int priority, struct zone *zone,
>>          * Even if we did not try to evict anon pages at all, we want to
>>          * rebalance the anon lru active/inactive ratio.
>>          */
>> -       if (inactive_anon_is_low(zone, sc) && nr_swap_pages > 0)
>> +       if (nr_swap_pges > 0 && inactive_anon_is_low(zone, sc))
>
> Sorry, I don't find any difference. What is your intention?
>

My intention is that smart gcc can compile out inactive_anon_is_low
call in case of non swap configurable system.

-- 
Kind regards,
Minchan Kim

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]