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SubjectRe: Too much free memory (not used for FS cache)
On Thu, 15 Mar 2012 21:09:44 +0100
Jiri Slaby <jslaby@suse.cz> wrote:

> since today's -next (20120315), the MM/VFS system is very sluggish.
> Especially when committing, diffing and similar with git. I still have
> 2G of 6G of memory free. But with each commit I have to wait for git to
> fetch all data from disk.
>
> I'm using ext4 on a raid for the partition with git kernel repository if
> that matters.
>
> Any idea what that could be?

The last mm->next update was March 5th so it won't be from stuff in the
-mm queue.

Are you sure it's reclaim-related? Perhaps something in the IO system
got slow?






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