Messages in this thread | | | Date | Mon, 13 Feb 2006 16:51:59 -0800 | From | Andrew Morton <> | Subject | Re: 2.6.16-rc2-mm1 |
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Alexandre Buisse <nattfodd@gentoo.org> wrote: > > On Tue, Feb 14, 2006 at 00:47:15 +0100, Andrew Morton wrote: > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc2/2.6.16-rc2-mm1/ > > > > Hi, > > I have been using 2.6.16-rc2-mm1 for a couple of days on my laptop and > tonight it was particularly slow. After shutting down firefox, X and > pretty much every user application, free was still saying: > > ubik:~> free -l > total used free shared buffers > cached > Mem: 508592 502948 5644 0 > 7056 25084 > Low: 508592 502948 5644 > High: 0 0 0 > -/+ buffers/cache: 470808 37784 > Swap: 506512 86260 420252 > > > ps is almost empty, but /proc/slabinfo (see attached file for the > complete output) has some weird lines: > > sock_inode_cache 644184 644202 448 9 1 : tunables 54 27 0 : slabdata 71578 71578 0 > > inode_cache 1216 1232 360 11 1 : tunables 54 27 0 : slabdata 112 112 0 : shrinker stat 2103424 2101400 > dentry_cache 647419 649830 128 30 1 : tunables 120 60 0 : slabdata 21661 21661 0 : shrinker stat 5027712 2374200 > >
Well it _could_ be caused by an errant application. But if it just started happening, it's more likely the kernel. There are related changes in Dave's tree.
You could try `echo 3 > /proc/sys/vm/drop_caches' to see if they're reclaimable.
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