On 05/22/2014 05:09 AM, Mel Gorman wrote: > From: Tim Chen <tim.c.c...@linux.intel.com> > > We remove the call to grab_super_passive in call to super_cache_count. > This becomes a scalability bottleneck as multiple threads are trying to do > memory reclamation, e.g. when we are doing large amount of file read and > page cache is under pressure. The cached objects quickly got reclaimed > down to 0 and we are aborting the cache_scan() reclaim. But counting > creates a log jam acquiring the sb_lock.
> Signed-off-by: Tim Chen <tim.c.c...@linux.intel.com> > Signed-off-by: Mel Gorman <mgor...@suse.de> Acked-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
