Messages in this thread | | | Date | Wed, 24 Nov 2010 16:20:30 +0200 | Subject | Re: Sudden and massive page cache eviction | From | Pekka Enberg <> |
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Hi Peter,
2010/11/24 Peter Schüller <scode@spotify.com>: >>> Do you have any large page (hugetlbfs) or other multi-order (> 1 page) >>> allocations happening in the kernel? > > I forgot to address the second part of this question: How would I best > inspect whether the kernel is doing that?
You can, for example, record
cat /proc/meminfo | grep Huge
for large page allocations.
> Looking at the kmalloc() sizes from vmstat -m I have the following on > one of the machines (so very few larger than 4096). But I suspect you > are asking for something different?
The "pagesperslab" column of /proc/slabinfo tells you how many pages slab allocates from the page allocator.
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