Re: [PATCH 0/4] sysfs: Reduce the size of sysfs_dirent

[Eric W. Biederman]

ebiederm@xxxxxxxxxxxx (Eric W. Biederman) writes:

> After throwing rb_trees at the problem sysfs_dirent increased in size by
> 6 pointers, or 48 bytes.    Since the point of having struct
> sysfs_dirent is to keep the size down increasing in size that much seems
> unfortunate.
>
> The following patches attack this problem and if I have counted right
> reduce the size of sysfs_dirent by 4 pointers on 64bit.  Not quite
> where we were but reducing sysfs_dirent by 32bytes to 104 bytes is
> an improvement.

Greg did you see these patches for reducing the sysfs memory size
regression in 3.2?

Eric
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