From 4a85879010b6503dc632c8bcd71c3bd05f675e12 Mon Sep 17 00:00:00 2001
From: anserper <anserper>
Date: Wed, 30 Jul 2008 21:16:05 +0000
Subject: [PATCH] Branch HEAD b=16037 i=Alexey Lyashkov (shadow) i=Alexander
Zarochentsev (zam)
fixing readahead initial value wrt available lowmem pages
---
lustre/llite/llite_lib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index cb5d813518..6878db9bf4 100644
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -96,7 +96,7 @@ static struct ll_sb_info *ll_init_sbi(void)
sbi->ll_async_page_max = pages / 2;
else
sbi->ll_async_page_max = (pages / 4) * 3;
- sbi->ll_ra_info.ra_max_pages = min(num_physpages / 8,
+ sbi->ll_ra_info.ra_max_pages = min(pages / 32,
SBI_DEFAULT_READAHEAD_MAX);
sbi->ll_ra_info.ra_max_read_ahead_whole_pages =
SBI_DEFAULT_READAHEAD_WHOLE_MAX;
--
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