Messages in this thread | | | Date | Tue, 12 Aug 2008 09:50:07 +0300 | From | Pekka Enberg <> | Subject | Re: [patch 00/19] Slab Fragmentation Reduction V14 |
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Christoph Lameter wrote: > V13->V14 > - Rediff against linux-next on request of Andrew > - TestSetPageLocked -> trylock_page conversion. > > Slab fragmentation is mainly an issue if Linux is used as a fileserver > and large amounts of dentries, inodes and buffer heads accumulate. In some > load situations the slabs become very sparsely populated so that a lot of > memory is wasted by slabs that only contain one or a few objects. In > extreme cases the performance of a machine will become sluggish since > we are continually running reclaim without much succes. > Slab defragmentation adds the capability to recover the memory that > is wasted.
Applied, thanks!
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