Re: [BUGFIX][PATCH] fix sync_mm_rss in nommu (Was Re: sync_mm_rss()issues

[Michal Simek]

Mike Frysinger wrote:
> On Mon, Mar 8, 2010 at 19:58, KAMEZAWA Hiroyuki wrote:
> > David-san, could you check this ?
> > ==
> > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> >
> > Fix breakage in NOMMU build
> >
> > commit 34e55232e59f7b19050267a05ff1226e5cd122a5 added sync_mm_rss()
> > for syncing loosely accounted rss counters. It's for CONFIG_MMU but
> > sync_mm_rss is called even in NOMMU enviroment (kerne/exit.c, fs/exec.c).
> > Above commit doesn't handle it well.
> >
> > This patch changes
> >  SPLIT_RSS_COUNTING depends on SPLIT_PTLOCKS && CONFIG_MMU
> >
> > And for avoid unnecessary function calls, sync_mm_rss changed to be inlined
> > noop function in header file.
>
> fixes Blackfin systems ...
>
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>


fixes Microblaze noMMU systems too.

Signed-off-by: Michal Simek <monstr@xxxxxxxxx>

You can check Microblaze noMMU system via my site
http://www.monstr.eu/wiki/doku.php?id=log:log

Will be good to add your patches to linux-next before Linus tree.

Michal


> -mike
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Michal Simek, Ing. (M.Eng)
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