From: Matt Mackall <mpm@selenic.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 3/8] base-small: shrink chrdevs hash
Date: Mon, 31 Jan 2005 01:25:52 -0600 [thread overview]
Message-ID: <4.687457650@selenic.com> (raw)
In-Reply-To: <3.687457650@selenic.com>
CONFIG_BASE_SMALL degrade char dev hash table to linked list
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: tq/fs/char_dev.c
===================================================================
--- tq.orig/fs/char_dev.c 2005-01-26 13:06:15.000000000 -0800
+++ tq/fs/char_dev.c 2005-01-26 13:08:37.000000000 -0800
@@ -26,7 +26,8 @@
static struct kobj_map *cdev_map;
-#define MAX_PROBE_HASH 255 /* random */
+/* degrade to linked list for small systems */
+#define MAX_PROBE_HASH (CONFIG_BASE_SMALL ? 1 : 255)
static DEFINE_RWLOCK(chrdevs_lock);
next prev parent reply other threads:[~2005-01-31 7:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-31 7:25 [PATCH 0/8] base-small: CONFIG_BASE_SMALL for small systems Matt Mackall
2005-01-31 7:25 ` [PATCH 1/8] base-small: introduce the CONFIG_BASE_SMALL flag Matt Mackall
2005-01-31 7:25 ` [PATCH 2/8] base-small: shrink major_names hash Matt Mackall
2005-01-31 7:25 ` Matt Mackall [this message]
2005-01-31 7:25 ` [PATCH 4/8] base-small: shrink PID tables Matt Mackall
2005-01-31 7:25 ` [PATCH 5/8] base-small: shrink UID hash Matt Mackall
2005-01-31 7:25 ` [PATCH 6/8] base-small: shrink futex queues Matt Mackall
2005-01-31 7:25 ` [PATCH 7/8] base-small: shrink timer hashes Matt Mackall
2005-01-31 7:25 ` [PATCH 8/8] base-small: shrink console buffer Matt Mackall
2005-02-01 0:55 ` [PATCH 0/8] base-small: CONFIG_BASE_SMALL for small systems Horst von Brand
2005-02-01 4:18 ` Matt Mackall
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