Re: [PATCH v5 0/6] fs/dcache: Track & limit # of negative dentries

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Jul 1, 2018 at 10:52 PM Waiman Long <longman@xxxxxxxxxx> wrote:
>
> A rogue application can potentially create a large number of negative
> dentries in the system consuming most of the memory available if it
> is not under the direct control of a memory controller that enforce
> kernel memory limit.

I certainly don't mind the patch series, but I would like it to be
accompanied with some actual example numbers, just to make it all a
bit more concrete.

Maybe even performance numbers showing "look, I've filled the dentry
lists with nasty negative dentries, now it's all slower because we
walk those less interesting entries".

              Linus



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux