Messages in this thread | | | Date | Sat, 08 May 2010 12:27:53 +0530 | From | Nitin Gupta <> | Subject | Re: [PATCH 0/3] ramzswap: Eliminate stale data from compressed memory (v2) |
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Oops, missed this part:
On 05/08/2010 11:59 AM, Pekka Enberg wrote: > Andrew Morton wrote: >> I've completely forgotten why we need this xvmalloc thing and I don't >> recall whether we decided it would be a good thing to have as a generic >> facility and of course it's all unexplained and undocumented. I won't >> be looking at it today, for this reason. > > We need it because the slab allocator is not a good fit for this special > purpose driver due to fragmentation. Nitin, you had a nice web page > showing all the relevant numbers but I can't find it anymore. >
xvmalloc performance numbers: http://code.google.com/p/compcache/wiki/xvMalloc http://code.google.com/p/compcache/wiki/xvMallocPerformance
Thanks, Nitin
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