From: Matt Mackall <mpm@selenic.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/8] core-small: Collapse chrdevs hash
Date: Fri, 21 Jan 2005 18:09:48 -0600 [thread overview]
Message-ID: <4.464233479@selenic.com> (raw)
In-Reply-To: <3.464233479@selenic.com>
CONFIG_CORE_SMALL degrade char dev hash table to linked list
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: tiny-queue/fs/char_dev.c
===================================================================
--- tiny-queue.orig/fs/char_dev.c 2005-01-21 09:59:45.000000000 -0800
+++ tiny-queue/fs/char_dev.c 2005-01-21 15:31:52.000000000 -0800
@@ -26,7 +26,11 @@
static struct kobj_map *cdev_map;
+#ifdef CONFIG_CORE_SMALL
+#define MAX_PROBE_HASH 1 /* degrade to linked list */
+#else
#define MAX_PROBE_HASH 255 /* random */
+#endif
static DEFINE_RWLOCK(chrdevs_lock);
next prev parent reply other threads:[~2005-01-22 0:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-22 0:09 [PATCH 0/8] core-small: Introduce CONFIG_CORE_SMALL from -tiny Matt Mackall
2005-01-22 0:09 ` [PATCH 1/8] core-small: Add option to embedded menu Matt Mackall
2005-01-22 0:09 ` [PATCH 2/8] core-small: Collapse major names hash Matt Mackall
2005-01-22 0:09 ` Matt Mackall [this message]
2005-01-22 0:09 ` [PATCH 4/8] core-small: Shrink PID lookup tables Matt Mackall
2005-01-22 0:09 ` [PATCH 5/8] core-small: Shrink uid hash Matt Mackall
2005-01-22 0:09 ` [PATCH 6/8] core-small: Shrink futex queue hash Matt Mackall
2005-01-22 0:09 ` [PATCH 7/8] core-small: Shrink timer lists Matt Mackall
2005-01-22 0:09 ` [PATCH 8/8] core-small: Shrink console buffer Matt Mackall
2005-01-23 8:40 ` [PATCH 0/8] core-small: Introduce CONFIG_CORE_SMALL from -tiny Andrew Morton
2005-01-23 17:52 ` Matt Mackall
2005-01-23 21:05 ` Andrew Morton
2005-01-24 2:50 ` Matt Mackall
2005-01-24 20:00 ` Alan Cox
2005-01-24 22:47 ` Tim Bird
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