From: "Paul Menage" <menage@google.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm@kvack.org, akpm@osdl.org
Subject: Re: [RFC][PATCH 1/1] Expose per-node reclaim and migration to userspace
Date: Wed, 29 Nov 2006 16:25:22 -0800 [thread overview]
Message-ID: <6599ad830611291625uf599963k7e6ff351c2b73e34@mail.gmail.com> (raw)
In-Reply-To: <20061130091815.018f52fd.kamezawa.hiroyu@jp.fujitsu.com>
On 11/29/06, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Tue, 28 Nov 2006 19:06:56 -0800
> menage@google.com wrote:
>
> >
> > + for (i = 0; i < pgdat->node_spanned_pages; ++i) {
> > + struct page *page = pgdat_page_nr(pgdat, i);
> you need pfn_valid() check before accessing page struct.
OK. (That check can only fail if CONFIG_SPARSEMEM, right?)
>
>
> > + if (!isolate_lru_page(page, &pagelist)) {
> you'll see panic if !PageLRU(page).
In which kernel version? In 2.6.19-rc6 (also -mm1) there's no panic in
isolate_lru_page().
Paul
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next prev parent reply other threads:[~2006-11-30 0:25 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-29 3:06 [RFC][PATCH 0/1] Node-based reclaim/migration menage
2006-11-29 3:06 ` [RFC][PATCH 1/1] Expose per-node reclaim and migration to userspace menage
2006-11-29 6:07 ` Nick Piggin
2006-11-29 21:57 ` Paul Menage
2006-11-30 4:13 ` Christoph Lameter
2006-11-30 4:18 ` Paul Menage
2006-11-30 7:38 ` Nick Piggin
2006-11-30 7:57 ` Paul Menage
2006-11-30 8:26 ` Nick Piggin
2006-11-30 8:39 ` Paul Menage
2006-11-30 8:55 ` Nick Piggin
2006-11-30 9:06 ` Paul Menage
2006-11-30 9:21 ` Nick Piggin
2006-11-30 9:45 ` Paul Menage
2006-11-30 10:15 ` Nick Piggin
2006-11-30 10:40 ` Paul Menage
2006-11-30 11:04 ` Nick Piggin
2006-11-30 11:23 ` Paul Menage
2006-11-30 11:35 ` Nick Piggin
2006-11-30 0:18 ` KAMEZAWA Hiroyuki
2006-11-30 0:25 ` Paul Menage [this message]
2006-11-30 0:38 ` KAMEZAWA Hiroyuki
2006-11-30 4:15 ` Christoph Lameter
2006-11-30 4:10 ` Christoph Lameter
2006-11-30 0:31 ` [RFC][PATCH 0/1] Node-based reclaim/migration KAMEZAWA Hiroyuki
2006-11-30 0:31 ` Paul Menage
2006-11-30 4:11 ` KAMEZAWA Hiroyuki
2006-11-30 4:17 ` Christoph Lameter
2006-11-30 10:45 ` Paul Menage
2006-11-30 11:12 ` KAMEZAWA Hiroyuki
2006-11-30 11:25 ` Paul Menage
2006-11-30 12:18 ` KAMEZAWA Hiroyuki
2006-11-30 18:28 ` Christoph Lameter
2006-11-30 18:35 ` Paul Menage
2006-11-30 18:39 ` Christoph Lameter
2006-11-30 19:09 ` Paul Menage
2006-11-30 19:42 ` Christoph Lameter
2006-11-30 19:53 ` Paul Menage
2006-11-30 20:00 ` Christoph Lameter
2006-11-30 20:07 ` Paul Menage
2006-11-30 20:15 ` Christoph Lameter
2006-11-30 21:33 ` Paul Menage
2006-11-30 23:41 ` Christoph Lameter
2006-11-30 23:48 ` Paul Menage
2006-12-01 2:23 ` Christoph Lameter
2006-12-01 19:32 ` Paul Menage
2006-12-01 19:56 ` Christoph Lameter
2006-12-01 2:44 ` KAMEZAWA Hiroyuki
2006-12-01 2:43 ` Christoph Lameter
2006-12-01 2:59 ` KAMEZAWA Hiroyuki
2006-12-01 2:44 ` Christoph Lameter
2006-12-01 3:10 ` KAMEZAWA Hiroyuki
2006-12-01 5:28 ` Christoph Lameter
2006-11-30 4:04 ` Christoph Lameter
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