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

From: Mike Frysinger
Date: Mon Mar 08 2010 - 21:33:52 EST


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
> ÂSPLIT_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>
-mike
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