On Tue, Oct 5, 2010 at 12:53 AM, Michel Lespinasse <walken@xxxxxxxxxx> wrote:
>
> This change reduces mmap_sem hold times that are caused by waiting for
> disk transfers when accessing file mapped VMAs.
Ok, this series looks much better. The new mm/filemap.c diff looks
much better with the lock_page_or_retry() helper function, and on the
whole I think I can Ack this (although obviously not actually apply it
- but please do get it into linux-next).
The do_page_fault() part of the patch still looks ugly, but I don't
see any obvious way to improve on it.
Linus
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