linux-kernel - Re: + vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-3.patch added to -mm tree

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Message-ID: <4DDB0C89.9020803@jp.fujitsu.com>
Date:	Tue, 24 May 2011 10:40:25 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	akpm@...ux-foundation.org
CC:	mm-commits@...r.kernel.org, dave@...ux.vnet.ibm.com,
	hannes@...xchg.org, hughd@...gle.com,
	kamezawa.hiroyu@...fujitsu.com, mel@....ul.ie,
	minchan.kim@...il.com, riel@...hat.com, xemul@...nvz.org,
	yinghan@...gle.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: + vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-3.patch
 added to -mm tree

(2011/05/21 3:59), akpm@...ux-foundation.org wrote:
> The patch titled
>       vmscan: fix up new shrinker API
> has been added to the -mm tree.  Its filename is
>       vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-3.patch
> 
> Before you just go and hit "reply", please:
>     a) Consider who else should be cc'ed
>     b) Prefer to cc a suitable mailing list as well
>     c) Ideally: find the original patch on the mailing list and do a
>        reply-to-all to that, adding suitable additional cc's
> 
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
> 
> See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
> out what to do about this
> 
> The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
> 
> ------------------------------------------------------
> Subject: vmscan: fix up new shrinker API
> From: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>
> 
> Current new shrinker API submission has some easy mistake. Fix it up.
> 
> - remove nr_scanned field from shrink_control.
>     we don't have to expose vmscan internal to shrinkers.
> - rename nr_slab_to_reclaim to nr_to_scan.
>     to_reclaim is very wrong name. shrinker API allow shrinker
>     don't reclaim an slab object if they were recently accessed.
> - typo: least-recently-us
> 
> This patch also make do_shrinker_shrink() helper function. It
> increase code readability a bit.

Oops. I'm sorry. This patch forgot one correction. please apply
following incremental patch.




---
 net/sunrpc/auth.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 287dd25..cd6e4aa 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -330,7 +330,7 @@ rpcauth_cache_shrinker(struct shrinker *shrink, struct shrink_control *sc)
 {
 	LIST_HEAD(free);
 	int res;
-	int nr_to_scan = sc->nr_slab_to_reclaim;
+	int nr_to_scan = sc->nr_to_scan;
 	gfp_t gfp_mask = sc->gfp_mask;

 	if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
-- 
1.7.3.1



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