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From: Matt Mackall <mpm@selenic.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 8/8] base-small: shrink console buffer
Date: Mon, 31 Jan 2005 01:25:53 -0600	[thread overview]
Message-ID: <9.687457650@selenic.com> (raw)
In-Reply-To: <8.687457650@selenic.com>

CONFIG_BASE_SMALL reduce console transfer buffer

Signed-off-by: Matt Mackall <mpm@selenic.com>

Index: mm2/include/linux/vt_kern.h
===================================================================
--- mm2.orig/include/linux/vt_kern.h	2005-01-30 21:26:28.000000000 -0800
+++ mm2/include/linux/vt_kern.h	2005-01-30 21:51:19.000000000 -0800
@@ -84,7 +84,8 @@
  * vc_screen.c shares this temporary buffer with the console write code so that
  * we can easily avoid touching user space while holding the console spinlock.
  */
-#define CON_BUF_SIZE	PAGE_SIZE
+
+#define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE)
 extern char con_buf[CON_BUF_SIZE];
 extern struct semaphore con_buf_sem;
 

  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     ` [PATCH 3/8] base-small: shrink chrdevs hash Matt Mackall
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               ` Matt Mackall [this message]
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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