linux-kernel - Re: [PATCH v4 1/2] sysctl clean up vm related variable declarations

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Message-Id: <20100128193057.41523885.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Thu, 28 Jan 2010 19:30:57 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	minchan.kim@...il.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH v4 1/2] sysctl clean up vm related variable declarations

On Thu, 28 Jan 2010 00:54:49 -0800 (PST)
David Rientjes <rientjes@...gle.com> wrote:

> > ---
> >  include/linux/mm.h     |    5 +++++
> >  include/linux/mmzone.h |    1 +
> >  include/linux/oom.h    |    5 +++++
> >  kernel/sysctl.c        |   16 ++--------------
> >  mm/mmap.c              |    5 +++++
> >  5 files changed, 18 insertions(+), 14 deletions(-)
> > 
> > Index: mmotm-2.6.33-Jan15-2/include/linux/mm.h
> > ===================================================================
> > --- mmotm-2.6.33-Jan15-2.orig/include/linux/mm.h
> > +++ mmotm-2.6.33-Jan15-2/include/linux/mm.h
> > @@ -1432,6 +1432,7 @@ int in_gate_area_no_task(unsigned long a
> >  #define in_gate_area(task, addr) ({(void)task; in_gate_area_no_task(addr);})
> >  #endif	/* __HAVE_ARCH_GATE_AREA */
> >  
> > +extern int sysctl_drop_caches;
> >  int drop_caches_sysctl_handler(struct ctl_table *, int,
> >  					void __user *, size_t *, loff_t *);
> >  unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
> > @@ -1476,5 +1477,9 @@ extern int soft_offline_page(struct page
> >  
> >  extern void dump_page(struct page *page);
> >  
> > +#ifndef CONFIG_NOMMU
> > +extern int sysctl_nr_trim_pages;
> 
> This should be #ifndef CONFIG_MMU.
> 
yes...thank you for review.

Thanks,
-Kame

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