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Hi,
Another piece of information...
If i do on shell.
# while 1
# ./grow_dentry
# end
(grow_dentry is C code I've posted in previous msg.)
Then dentry_cache grows really fast.
But if within 'C' code if I write while(1), then everything is okay.
(No substantial growth ).
Thanks
-Kunal
On 12/6/06, Kunal Trivedi <ktrivedilkml@gmail.com> wrote:
> Hi,> I am running 2.6.18 kernel on 64 bit AMD machine. (procinfo attached
> at the end of the mail). One of the things I have noticed that
> dentry_cache grows really fast under certain code path.
> So, far I have not seen any problems, but I would like to get some
> more input on this subject. Is it okay for dentry_cache to grow that
> much ?>> I've run following program for an ~1.00 hour. And my slabinfo shows following.
>> # cat /proc/slabinfo | grep dentry> dentry_cache 5228333 5228333 224 17 1 : tunables 120
> 60 8 : slabdata 307549 307549 0>>> # cat /proc/meminfo> MemTotal: 8173080 kB> MemFree: 6787852 kB> Buffers: 42048 kB> Cached: 72616 kB> SwapCached: 0 kB> Active: 88608 kB> Inactive: 29796 kB> HighTotal: 0 kB> HighFree: 0 kB> LowTotal: 8173080 kB> LowFree: 6787852 kB> SwapTotal: 2096472 kB> SwapFree: 2096472 kB> Dirty: 48 kB> Writeback: 0 kB> AnonPages: 3716 kB> Mapped: 3336 kB> Slab: 1251292 kB> PageTables: 192 kB> NFS_Unstable: 0 kB> Bounce: 0 kB> CommitLimit: 10269552 kB> Committed_AS: 11500 kB> VmallocTotal: 34359738367 kB> VmallocUsed: 1272 kB> VmallocChunk: 34359737015 kB> HugePages_Total: 0> HugePages_Free: 0> HugePages_Rsvd: 0> Hugepagesize: 2048 kB>>> int> main()> {> int fd;
> char fname[] = "/tmp/proc-output-XXXXXX";
>
> fd = mkstemp(fname);
> close(fd);
> unlink(fname);
> return 0;
> }
>
> Please advice,
>
> Thanks
> -Kunal
>
-
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