Re: [PATCH 10/9] mm: make do_mmap_pgoff return populate as a size inbytes, not as a bool

From: Andy Lutomirski
Date: Thu Jan 03 2013 - 13:54:55 EST

On Sat, Dec 22, 2012 at 1:45 AM, Michel Lespinasse <walken@xxxxxxxxxx> wrote:
> do_mmap_pgoff() rounds up the desired size to the next PAGE_SIZE multiple,
> however there was no equivalent code in mm_populate(), which caused issues.
> This could be fixed by introduced the same rounding in mm_populate(),
> however I think it's preferable to make do_mmap_pgoff() return populate
> as a size rather than as a boolean, so we don't have to duplicate the
> size rounding logic in mm_populate().
> Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>

This appears to fix my hangs.

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