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

[Eric W. Biederman]

Greg KH <gregkh@xxxxxxx> writes:

> On Tue, Jan 03, 2012 at 09:43:47PM -0800, Eric W. Biederman wrote:
>> 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?
>
> Ok, due to the holidays, these ended up missing the 3.3 merge window,
> I'll queue them up for 3.4.

Thanks.

Eric
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