Messages in this thread |  | | Date | Tue, 23 Jun 2009 17:55:33 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH] Hugepages should be accounted as unevictable pages. |
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Alok Kataria wrote: > On Tue, 2009-06-23 at 14:24 -0700, Rik van Riel wrote:
>> I can see something reasonable on both sides of this >> particular debate. However, even with this patch the >> "unevictable" statistic does not reclaim the total >> number of pages that are unevictable pages from a >> zone, so I am not sure how it helps you achieve your >> goal. > > Yes but most of the other memory (page table and others) which is > unevictable is actually static in nature. IOW, the amount of this other > kind of kernel unevictable pages can be actually interpolated from the > amount of physical memory on the system.
That would be a fair argument, if it were true.
Things like page tables and dentry/inode caches vary according to the use case and are allocated as needed. They are in no way "static in nature".
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