Re: [PATCH 2/3] fs/superblock: Avoid locking counting inodes and dentries before reclaiming them

2014-05-22 Thread Rik van Riel
On 05/22/2014 05:09 AM, Mel Gorman wrote: > From: Tim Chen > > 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

Re: [PATCH 2/3] fs/superblock: Avoid locking counting inodes and dentries before reclaiming them

2014-05-22 Thread Rik van Riel
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