Messages in this thread | | | Date | Sat, 08 May 2010 10:26:03 +0300 | From | Pekka Enberg <> | Subject | Re: [PATCH 0/3] ramzswap: Eliminate stale data from compressed memory (v2) |
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Nitin Gupta wrote: > 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
I don't see the xvmalloc vs. kmalloc fragmentation numbers there. I thought you had some?
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