From 535443f51543df61111bbd234300ae549d220448 Mon Sep 17 00:00:00 2001
From: Fengguang Wu <wfg@mail.ustc.edu.cn>
Date: Tue, 16 Oct 2007 01:24:36 -0700
Subject: readahead: remove several readahead macros

Remove VM_MAX_CACHE_HIT, MAX_RA_PAGES and MIN_RA_PAGES.

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm.h | 2 --
 1 file changed, 2 deletions(-)

(limited to 'include/linux/mm.h')

diff --git a/include/linux/mm.h b/include/linux/mm.h
index fbff8e481cc4..291c4cc06ea7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1106,8 +1106,6 @@ int write_one_page(struct page *page, int wait);
 /* readahead.c */
 #define VM_MAX_READAHEAD	128	/* kbytes */
 #define VM_MIN_READAHEAD	16	/* kbytes (includes current page) */
-#define VM_MAX_CACHE_HIT    	256	/* max pages in a row in cache before
-					 * turning readahead off */
 
 int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
 			pgoff_t offset, unsigned long nr_to_read);
-- 
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