Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 01/02] cpuset memory spread slab cache filesys | Date | Wed, 1 Mar 2006 19:34:32 +0100 |
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On Wednesday 01 March 2006 19:27, Paul Jackson wrote: > > > 1) Are you content to have such a interleave of these particular file > > > i/o slabs triggered by a mm/mempolicy.c option? Or do you think > > > we need some sort of task external API to invoke this policy? > > > > Task external. mempolicy.c has no good way to handle multiple policies > > like this. I was thinking of a simple sysctl > > No need to implement a sysctl for this. The current cpuset facility > should provide just what you want, if I am understanding correctly.
The main reason i'm reluctant to use this is that the cpuset fast path overhead (e.g. in memory allocators etc.) is quite large and I wouldn't like to recommend people to enable all this overhead by default just to get more useful dcache/inode behaviour on small NUMA systems.
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