Messages in this thread | | | From | Sven Joachim <> | Subject | Re: v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs) | Date | Mon, 09 Apr 2012 19:00:25 +0200 |
| |
On 2012-04-09 18:33 +0200, Rik van Riel wrote:
> On 04/09/2012 12:19 PM, Sven Joachim wrote: >> On 2012-04-09 17:57 +0200, Rik van Riel wrote: >> >>> On 04/09/2012 03:04 AM, Sven Joachim wrote: >>> >>>> While I did not experience any crashes or instabilities (yet?), I'm also >>>> seeing memory leaks. On a system started this morning, with hardly >>>> anything running: >>> >>>> where I would expect no more than 50 MB used, 400 MB are actually in use: >>>> >>>> ,---- >>>> | $ free >>>> | total used free shared buffers cached >>>> | Mem: 3348400 1849712 1498688 0 328960 1119180 >>>> | -/+ buffers/cache: 401572 2946828 >>>> | Swap: 3719040 0 3719040 >>>> `---- >>> >>> Do you see any big memory users in /proc/meminfo or in >>> /proc/slabinfo? >> >> Attaching these files, since I can't really make anything out of the >> latter. Note that I started a few memory hogs (X, Firefox, Emacs with >> Gnus), so overall memory footprint has grown to 768 MB. > > Looks like the "missing" 400MB is all in filesystem caches, > specifically the dentry cache, the ext4 inode cache and > buffer heads.
Then why does free(1) report those in the "-/+ buffers/cache:" line? It did not do this with earlier kernels, AFAIK.
Cheers, Sven
| |