From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kosaki.motohiro@jp.fujitsu.com,
LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Rik van Riel <riel@redhat.com>,
Benjamin Kidwell <benjkidwell@yahoo.com>
Subject: Re: [-mm][PATCH 1/10] fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build
Date: Thu, 03 Jul 2008 15:02:23 +0900 [thread overview]
Message-ID: <20080703145454.B963.KOSAKI.MOTOHIRO@jp.fujitsu.com> (raw)
In-Reply-To: <20080702223652.3b57dc4b.akpm@linux-foundation.org>
> > config UNEVICTABLE_LRU
> > bool "Add LRU list to track non-evictable pages"
> > default y
> > + select PAGE_WALKER
>
> So what do we do? Make UNEVICTABLE_LRU depend on CONFIG_MMU? That
> would be even worse than what we have now.
I'm not sure about what do we do. but I'd prefer "depends on MMU".
because current munlock implementation need pagewalker.
So, munlock rewriting have high risk rather than change depend on.
Rik, What do you think?
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next prev parent reply other threads:[~2008-07-03 6:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-25 9:59 [-mm][PATCH 0/10] memory related bugfix set for 2.6.26-rc5-mm3 v2 KOSAKI Motohiro
2008-06-25 10:01 ` [-mm][PATCH 1/10] fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build KOSAKI Motohiro
2008-07-03 5:36 ` Andrew Morton
2008-07-03 6:02 ` KOSAKI Motohiro [this message]
2008-07-03 13:16 ` Rik van Riel
2008-06-25 10:02 ` [-mm][PATCH 2/10] fix printk in show_free_areas() KOSAKI Motohiro
2008-06-25 10:03 ` [-mm][PATCH 3/10] fix munlock page table walk - now requires 'mm' KOSAKI Motohiro
2008-06-25 10:04 ` [-mm][PATCH 4/10] fix migration_entry_wait() for speculative page cache KOSAKI Motohiro
2008-06-25 10:05 ` [-mm][PATCH 5/10] collect lru meminfo statistics from correct offset KOSAKI Motohiro
2008-06-25 10:06 ` [-mm][PATCH 6/10] fix incorrect Mlocked field of /proc/meminfo KOSAKI Motohiro
2008-06-25 10:07 ` [-mm][PATCH 7/10] prevent incorrect oom under split_lru KOSAKI Motohiro
2008-06-25 10:09 ` [-mm][PATCH 8/10] fix shmem page migration incorrectness on memcgroup KOSAKI Motohiro
2008-06-27 5:08 ` MinChan Kim
2008-06-27 5:41 ` KOSAKI Motohiro
2008-06-27 7:57 ` MinChan Kim
2008-06-27 8:52 ` KAMEZAWA Hiroyuki
2008-06-27 9:29 ` Daisuke Nishimura
2008-06-27 10:13 ` MinChan Kim
2008-06-27 12:24 ` kamezawa.hiroyu
2008-06-25 10:10 ` [-mm][PATCH 9/10] memcg: fix mem_cgroup_end_migration() race KOSAKI Motohiro
2008-06-25 10:53 ` Daisuke Nishimura
2008-06-25 10:11 ` [-mm][PATCH 10/10] putback_lru_page()/unevictable page handling rework v4 KOSAKI Motohiro
2008-06-25 10:14 ` KOSAKI Motohiro
2008-06-25 22:13 ` Andrew Morton
2008-06-26 1:31 ` KOSAKI Motohiro
2008-06-25 16:29 ` Lee Schermerhorn
2008-06-26 8:08 ` KOSAKI Motohiro
2008-06-25 15:09 ` [-mm][PATCH 0/10] memory related bugfix set for 2.6.26-rc5-mm3 v2 Lee Schermerhorn
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