LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
To: minchan Kim <barrioskmc@gmail.com>
Cc: Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-mm@kvack.org
Subject: Re: [patch 17/21] non-reclaimable mlocked pages
Date: Fri, 29 Feb 2008 09:47:44 -0500 [thread overview]
Message-ID: <1204296464.5311.6.camel@localhost> (raw)
In-Reply-To: <44c63dc40802282055q508af6ccsb0e8ac3fb5e67d24@mail.gmail.com>
On Fri, 2008-02-29 at 13:55 +0900, minchan Kim wrote:
> Index: linux-2.6.25-rc2-mm1/mm/page_alloc.c
> ===================================================================
> --- linux-2.6.25-rc2-mm1.orig/mm/page_alloc.c 2008-02-28
> 12:47:36.000000000 -0500
> +++ linux-2.6.25-rc2-mm1/mm/page_alloc.c 2008-02-28
> 12:49:02.000000000 -0500
> @@ -257,6 +257,7 @@ static void bad_page(struct page *page)
> 1 << PG_swapcache |
> 1 << PG_writeback |
> 1 << PG_swapbacked |
> + 1 << PG_mlocked |
> 1 << PG_buddy );
> set_page_count(page, 0);
> reset_page_mapcount(page);
>
> It would be compile error unless CONFIG_NORECLAIM_MLOCK is defined.
>
>
>
> @@ -656,7 +662,9 @@ static int prep_new_page(struct page *pa
>
> page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1
> << PG_readahead |
> 1 << PG_referenced | 1 << PG_arch_1 |
> - 1 << PG_owner_priv_1 | 1 <<
> PG_mappedtodisk);
> + 1 << PG_owner_priv_1 | 1 <<
> PG_mappedtodisk |
> +//TODO take care of it here, for now.
> + 1 << PG_mlocked );
> set_page_private(page, 0);
> set_page_refcounted(page);
>
> ditto
Well, it will be a compile error for 32-bit systems, so we need to fix
it. PG_mlocked is unconditionally defined/reserved when (BITS_PER_LONG
> 32).
Thanks,
Lee
>
next prev parent reply other threads:[~2008-02-29 14:47 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-28 19:29 [patch 00/21] VM pageout scalability improvements Rik van Riel
2008-02-28 19:29 ` [patch 01/21] move isolate_lru_page() to vmscan.c Rik van Riel
2008-02-29 2:29 ` KOSAKI Motohiro
2008-02-29 2:41 ` Rik van Riel
2008-02-29 2:47 ` KOSAKI Motohiro
2008-02-28 19:29 ` [patch 02/21] Use an indexed array for LRU variables Rik van Riel
2008-02-29 16:03 ` Andy Whitcroft
2008-03-03 18:57 ` Rik van Riel
2008-02-28 19:29 ` [patch 03/21] use an array for the LRU pagevecs Rik van Riel
2008-02-29 15:40 ` Andy Whitcroft
2008-03-01 7:02 ` KOSAKI Motohiro
2008-03-04 11:04 ` KOSAKI Motohiro
2008-03-04 20:38 ` Rik van Riel
2008-03-05 1:38 ` KOSAKI Motohiro
2008-02-28 19:29 ` [patch 04/21] free swap space on swap-in/activation Rik van Riel
2008-02-28 20:05 ` Lee Schermerhorn
2008-02-28 20:20 ` Rik van Riel
2008-02-28 19:29 ` [patch 05/21] define page_file_cache() function Rik van Riel
2008-02-29 11:53 ` KOSAKI Motohiro
2008-02-28 19:29 ` [patch 06/21] split LRU lists into anon & file sets Rik van Riel
2008-03-01 12:13 ` KOSAKI Motohiro
2008-03-01 12:46 ` KOSAKI Motohiro
2008-02-28 19:29 ` [patch 07/21] SEQ replacement for anonymous pages Rik van Riel
2008-03-03 10:50 ` barrioskmc@gmail
2008-02-28 19:29 ` [patch 08/21] (NEW) add some sanity checks to get_scan_ratio Rik van Riel
2008-03-04 10:40 ` minchan Kim
2008-02-28 19:29 ` [patch 09/21] (NEW) improve reclaim balancing Rik van Riel
2008-03-01 13:35 ` KOSAKI Motohiro
2008-03-03 19:26 ` Rik van Riel
2008-02-28 19:29 ` [patch 10/21] add newly swapped in pages to the inactive list Rik van Riel
2008-02-28 19:29 ` [patch 11/21] (NEW) more aggressively use lumpy reclaim Rik van Riel
2008-03-02 10:35 ` KOSAKI Motohiro
2008-03-02 14:23 ` Rik van Riel
2008-02-28 19:29 ` [patch 12/21] No Reclaim LRU Infrastructure Rik van Riel
[not found] ` <44c63dc40802282058h67f7597bvb614575f06c62e2c@mail.gmail.com>
2008-02-29 14:48 ` Lee Schermerhorn
[not found] ` <44c63dc40803021904n5de681datba400e08079c152d@mail.gmail.com>
2008-03-03 3:06 ` minchan Kim
2008-03-03 18:46 ` Rik van Riel
2008-03-03 23:38 ` barrioskmc@gmail
2008-03-04 1:55 ` Rik van Riel
2008-03-04 10:46 ` KOSAKI Motohiro
2008-03-04 15:05 ` Lee Schermerhorn
2008-03-04 21:21 ` Rik van Riel
2008-03-05 1:42 ` KOSAKI Motohiro
2008-02-28 19:29 ` [patch 13/21] Non-reclaimable page statistics Rik van Riel
2008-02-28 19:29 ` [patch 14/21] scan noreclaim list for reclaimable pages Rik van Riel
2008-02-28 23:41 ` Randy Dunlap
2008-02-29 14:38 ` Lee Schermerhorn
2008-02-28 19:29 ` [patch 15/21] ramfs pages are non-reclaimable Rik van Riel
2008-02-28 19:29 ` [patch 16/21] SHM_LOCKED pages are nonreclaimable Rik van Riel
2008-02-28 19:29 ` [patch 17/21] non-reclaimable mlocked pages Rik van Riel
[not found] ` <44c63dc40802282055q508af6ccsb0e8ac3fb5e67d24@mail.gmail.com>
2008-02-29 14:47 ` Lee Schermerhorn [this message]
2008-02-28 19:29 ` [patch 18/21] mlock vma pages under mmap_sem held for read Rik van Riel
2008-02-28 19:29 ` [patch 19/21] handle mlocked pages during map/unmap and truncate Rik van Riel
2008-02-28 19:29 ` [patch 20/21] account mlocked pages Rik van Riel
2008-02-28 19:29 ` [patch 21/21] cull non-reclaimable anon pages from the LRU at fault time Rik van Riel
2008-02-28 20:19 ` Lee Schermerhorn
2008-02-28 22:27 ` Rik van Riel
2008-02-28 19:49 ` [patch 00/21] VM pageout scalability improvements Rik van Riel
2008-02-28 20:14 ` John Stoffel
2008-02-28 20:23 ` Rik van Riel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1204296464.5311.6.camel@localhost \
--to=lee.schermerhorn@hp.com \
--cc=barrioskmc@gmail.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=riel@redhat.com \
--subject='Re: [patch 17/21] non-reclaimable mlocked pages' \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).