From: Rik van Riel <riel@redhat.com>
To: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: lee.schermerhorn@hp.com, akpm@linux-foundation.org,
kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm 05/15] free swap space on swap-in/activation
Date: Mon, 12 May 2008 09:33:07 -0400 [thread overview]
Message-ID: <20080512093307.2ace3096@bree.surriel.com> (raw)
In-Reply-To: <4828283C.4000803@mxp.nes.nec.co.jp>
On Mon, 12 May 2008 20:21:32 +0900
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
> So, the intention of this patch is
> not to free a swap space of swap cache that has already swapped in
> and only used one process as do_swap_page() does,
> but to free a swap space that is only used as a swap cache
> (not used by any processes), right?
No. The code should also free the swap space of pages that are
mapped by processes, in order to free up swap space for other
uses. This only happens if vm_swap_full() is true.
--
All rights reversed.
next prev parent reply other threads:[~2008-05-12 13:33 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 18:18 [PATCH -mm 00/15] VM pageout scalability improvements (V6) Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 01/15] FYI: vmstats are "off-by-one" Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 02/15] move isolate_lru_page() to vmscan.c Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 03/15] Use an indexed array for LRU variables Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 04/15] use an array for the LRU pagevecs Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 05/15] free swap space on swap-in/activation Rik van Riel
2008-05-12 11:21 ` Daisuke Nishimura
2008-05-12 13:33 ` Rik van Riel [this message]
2008-05-13 13:00 ` Daisuke Nishimura
2008-05-13 13:11 ` Rik van Riel
2008-05-13 16:04 ` [PATCH] take pageout refcount into account for remove_exclusive_swap_page Rik van Riel
2008-05-13 17:43 ` Lee Schermerhorn
2008-05-13 18:09 ` Rik van Riel
2008-05-13 19:02 ` Lee Schermerhorn
2008-05-15 2:15 ` Daisuke Nishimura
2008-05-15 17:55 ` Lee Schermerhorn
[not found] ` <1210600296.7300.23.camel@lts-notebook>
2008-05-13 12:39 ` [PATCH -mm 05/15] free swap space on swap-in/activation Daisuke Nishimura
2008-04-28 18:18 ` [PATCH -mm 06/15] define page_file_cache() function Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 07/15] split LRU lists into anon & file sets Rik van Riel
2008-05-10 7:50 ` MinChan Kim
2008-04-28 18:18 ` [PATCH -mm 08/15] SEQ replacement for anonymous pages Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 09/15] add some sanity checks to get_scan_ratio Rik van Riel
2008-05-15 6:34 ` MinChan Kim
2008-05-15 13:12 ` Rik van Riel
2008-05-16 6:42 ` MinChan Kim
2008-05-16 16:47 ` Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 10/15] add newly swapped in pages to the inactive list Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 11/15] more aggressively use lumpy reclaim Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 12/15] No Reclaim LRU Infrastructure Rik van Riel
2008-04-28 18:18 ` Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 13/15] Non-reclaimable page statistics Rik van Riel
2008-04-28 18:18 ` Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 14/15] ramfs pages are non-reclaimable Rik van Riel
2008-04-28 18:18 ` Rik van Riel
2008-04-28 18:18 ` [PATCH -mm 15/15] SHM_LOCKED pages are nonreclaimable Rik van Riel
2008-04-28 18:18 ` Rik van Riel
2008-04-28 19:55 ` [PATCH -mm 00/15] VM pageout scalability improvements (V6) Rik van Riel
2008-05-08 4:54 ` Rik van Riel
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