From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
To: Rik van Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, kosaki.motohiro@jp.fujitsu.com
Subject: Re: [PATCH -mm 11/24] pageflag helpers for configed-out flags
Date: Wed, 11 Jun 2008 16:23:47 -0400 [thread overview]
Message-ID: <1213215827.6436.61.camel@lts-notebook> (raw)
In-Reply-To: <20080611160814.5374467d@bree.surriel.com>
On Wed, 2008-06-11 at 16:08 -0400, Rik van Riel wrote:
> On Wed, 11 Jun 2008 13:01:45 -0700
> Andrew Morton <akpm@linux-foundation.org> wrote:
> > On Wed, 11 Jun 2008 14:42:25 -0400
> > Rik van Riel <riel@redhat.com> wrote:
> >
> > > Define proper false/noop inline functions for noreclaim page
> > > flags when !defined(CONFIG_NORECLAIM_LRU)
> >
> > I changed that to CONFIG_UNEVICTABLE_LRU.
> >
> > Did we agree that the presence of this config variable is undesirable?
> > If so, what's involved in making it go away?
>
> We agreed that having CONFIG_NORELAIM_SWAP was bad, that one went away.
That was CONFIG_NORELAIM_MLOCK, right?
Which reminds me: we'll need to change the description of
CONFIG_UNEVICTABLE_LRU to state that it uses 2 page flags if, indeed, we
want to say anything about page flag usage in the Kconfig help text.
Not sure that's helpful.
>
> As for CONFIG_UNEVICTABLE_LRU, I believe we will want to at least give
> embedded people the option to compile without all that code, similar
> to CONFIG_SWAP.
Agree.
Lee
next prev parent reply other threads:[~2008-06-11 20:23 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-11 18:42 [PATCH -mm 00/24] VM pageout scalability improvements (V12) Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 01/24] vmscan: move isolate_lru_page() to vmscan.c Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 02/24] vmscan: Use an indexed array for LRU variables Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 03/24] swap: use an array for the LRU pagevecs Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 04/24] vmscan: free swap space on swap-in/activation Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 05/24] define page_file_cache() function Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 06/24] vmscan: split LRU lists into anon & file sets Rik van Riel
2008-06-13 0:39 ` Hiroshi Shimamoto
2008-06-13 17:48 ` [PATCH] fix printk in show_free_areas Rik van Riel
2008-06-13 20:21 ` [PATCH] collect lru meminfo statistics from correct offset Lee Schermerhorn
2008-06-15 15:07 ` [PATCH] fix printk in show_free_areas KOSAKI Motohiro
2008-06-11 18:42 ` [PATCH -mm 07/24] vmscan: second chance replacement for anonymous pages Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 08/24] vmscan: fix pagecache reclaim referenced bit check Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 09/24] vmscan: add newly swapped in pages to the inactive list Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 10/24] more aggressively use lumpy reclaim Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 11/24] pageflag helpers for configed-out flags Rik van Riel
2008-06-11 20:01 ` Andrew Morton
2008-06-11 20:08 ` Rik van Riel
2008-06-11 20:23 ` Lee Schermerhorn [this message]
2008-06-11 20:30 ` Rik van Riel
2008-06-11 20:28 ` Lee Schermerhorn
2008-06-11 20:32 ` Rik van Riel
2008-06-11 20:43 ` Lee Schermerhorn
2008-06-11 20:48 ` Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 12/24] Unevictable LRU Infrastructure Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 13/24] Unevictable LRU Page Statistics Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 14/24] Ramfs and Ram Disk pages are unevictable Rik van Riel
2008-06-12 0:54 ` Nick Piggin
2008-06-12 17:29 ` Rik van Riel
2008-06-12 17:37 ` Nick Piggin
2008-06-12 17:50 ` Rik van Riel
2008-06-12 17:57 ` Nick Piggin
2008-06-11 18:42 ` [PATCH -mm 15/24] SHM_LOCKED " Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 16/24] mlock: mlocked " Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 17/24] mlock: downgrade mmap sem while populating mlocked regions Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 18/24] mmap: handle mlocked pages during map, remap, unmap Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 19/24] vmstat: mlocked pages statistics Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 20/24] swap: cull unevictable pages in fault path Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 21/24] vmstat: unevictable and mlocked pages vm events Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 22/24] vmscan: unevictable LRU scan sysctl Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 23/24] mlock: count attempts to free mlocked page Rik van Riel
2008-06-11 18:42 ` [PATCH -mm 24/24] doc: unevictable LRU and mlocked pages documentation Rik van Riel
2008-06-12 5:34 ` [PATCH -mm 00/24] VM pageout scalability improvements (V12) Andrew Morton
2008-06-12 13:31 ` Rik van Riel
2008-06-16 5:32 ` KOSAKI Motohiro
2008-06-16 6:20 ` Andrew Morton
2008-06-16 6:22 ` KOSAKI Motohiro
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