lkml.org 
[lkml]   [2004]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH]: 1/4 batch mark_page_accessed()
Nikita Danilov <nikita@clusterfs.com> wrote:
>
> Batch mark_page_accessed() (a la lru_cache_add() and lru_cache_add_active()):
> page to be marked accessed is placed into per-cpu pagevec
> (page_accessed_pvec). When pagevec is filled up, all pages are processed in a
> batch.
>
> This is supposed to decrease contention on zone->lru_lock.

Looks sane, althought it does add more atomic ops (the extra
get_page/put_page). Some benchmarks would be nice to have.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:08    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site