[PATCH] shrink core hashes on small systems

[Matt Mackall <mpm@selenic.com>]

Shrink hashes on small systems

Tweak vfs_caches_init logic so that hashes don't start growing as
quickly on small systems.


 tiny-mpm/init/main.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)

diff -puN init/main.c~hash-sizes init/main.c
--- tiny/init/main.c~hash-sizes	2004-03-20 12:14:43.000000000 -0600
+++ tiny-mpm/init/main.c	2004-03-20 12:14:43.000000000 -0600
@@ -470,7 +470,9 @@ asmlinkage void __init start_kernel(void
 	buffer_init();
 	unnamed_dev_init();
 	security_scaffolding_startup();
-	vfs_caches_init(num_physpages);
+	/* Treat machines smaller than 6M as having 2M of memory
+	   for hash-sizing purposes */
+	vfs_caches_init(max(500, (int)num_physpages-1000));
 	radix_tree_init();
 	signals_init();
 	/* rootfs populating might need page-writeback */

_


-- 
Matt Mackall : http://www.selenic.com : Linux development and consulting