[lkml]   [2011]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Check PageActive when evictable page and unevicetable page race happen
On Sun, Apr 24, 2011 at 9:25 AM, Minchan Kim <> wrote:
> In putback_lru_page, unevictable page can be changed into evictable
> 's one while we move it among lru. So we have checked it again and
> rescued it. But we don't check PageActive, again. It could add
> active page into inactive list so we can see the BUG in isolate_lru_pages.
> (But I didn't see any report because I think it's very subtle)
> It could happen in race that zap_pte_range's mark_page_accessed and
> putback_lru_page. It's subtle but could be possible.

Please Ignore this. I was confused.
The race never happens.

Kind regards,
Minchan Kim

 \ /
  Last update: 2011-04-24 07:39    [W:0.048 / U:0.608 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site