Messages in this thread | | | Date | Thu, 28 Feb 2013 23:00:39 -0500 | From | Theodore Ts'o <> | Subject | Re: [GIT PULL URGENT] ext4 regression fix for 3.9 |
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On Thu, Feb 28, 2013 at 10:30:05PM -0500, Dave Jones wrote: > > This has fixed the problem I reported, but I notice now that my > desktop is really sluggish. perf top shows it's almost constantly > spinning in ext4_es_reclaim_extents_count > > Any ideas ?
ext4_es_reclaim_extents_count() is getting called out of the slab shrinker. It's getting called too often when there is significant memory pressure. We can optimize this so we're not calculating it all the time.
- Ted
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