linux-kernel - Re: [PATCH] tmpfs: Insert tmpfs cache pages to inactive list at first

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Date:	Fri, 21 May 2010 09:36:50 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	"Li, Shaohua" <shaohua.li@...el.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...hat.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Hugh Dickins <hughd@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] tmpfs: Insert tmpfs cache pages to inactive list at first

> Reviewed-by: Wu Fengguang <fengguang.wu@...el.com>
> 
> The preceding comment "they need to go on the active_anon lru below"
> also needs update.
> 

Thanks. incremental patch is here.


---
 include/linux/swap.h |   10 ----------
 mm/filemap.c         |    2 +-
 2 files changed, 1 insertions(+), 11 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 18420a9..4bfd932 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -224,21 +224,11 @@ static inline void lru_cache_add_anon(struct page *page)
 	__lru_cache_add(page, LRU_INACTIVE_ANON);
 }
 
-static inline void lru_cache_add_active_anon(struct page *page)
-{
-	__lru_cache_add(page, LRU_ACTIVE_ANON);
-}
-
 static inline void lru_cache_add_file(struct page *page)
 {
 	__lru_cache_add(page, LRU_INACTIVE_FILE);
 }
 
-static inline void lru_cache_add_active_file(struct page *page)
-{
-	__lru_cache_add(page, LRU_ACTIVE_FILE);
-}
-
 /* LRU Isolation modes. */
 #define ISOLATE_INACTIVE 0	/* Isolate inactive pages. */
 #define ISOLATE_ACTIVE 1	/* Isolate active pages. */
diff --git a/mm/filemap.c b/mm/filemap.c
index 023ef61..a57931a 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -441,7 +441,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 	/*
 	 * Splice_read and readahead add shmem/tmpfs pages into the page cache
 	 * before shmem_readpage has a chance to mark them as SwapBacked: they
-	 * need to go on the active_anon lru below, and mem_cgroup_cache_charge
+	 * need to go on the anon lru below, and mem_cgroup_cache_charge
 	 * (called in add_to_page_cache) needs to know where they're going too.
 	 */
 	if (mapping_cap_swap_backed(mapping))
-- 
1.6.5.2





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