From 7b8d7e98639b9a7ce9eca639782bcb600f08e7c6 Mon Sep 17 00:00:00 2001
From: Mel Gorman <mel@csn.ul.ie>
Date: Tue, 2 Mar 2010 22:24:19 +0000
Subject: [PATCH] --- yaml --- r: 188808 b: refs/heads/master c:
 352fa6ad16b89f8ffd1a93b4419b1a8f2259feab h: refs/heads/master v: v3

---
 [refs]                    | 2 +-
 trunk/include/linux/tty.h | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/[refs] b/[refs]
index 883b945ce220..d17719d4df28 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 87a6aca504d65f242589583e04df5e74b5eae1fe
+refs/heads/master: 352fa6ad16b89f8ffd1a93b4419b1a8f2259feab
diff --git a/trunk/include/linux/tty.h b/trunk/include/linux/tty.h
index 568369a86306..593228a520e1 100644
--- a/trunk/include/linux/tty.h
+++ b/trunk/include/linux/tty.h
@@ -70,12 +70,13 @@ struct tty_buffer {
 
 /*
  * We default to dicing tty buffer allocations to this many characters
- * in order to avoid multiple page allocations. We assume tty_buffer itself
- * is under 256 bytes. See tty_buffer_find for the allocation logic this
- * must match
+ * in order to avoid multiple page allocations. We know the size of
+ * tty_buffer itself but it must also be taken into account that the
+ * the buffer is 256 byte aligned. See tty_buffer_find for the allocation
+ * logic this must match
  */
 
-#define TTY_BUFFER_PAGE		((PAGE_SIZE  - 256) / 2)
+#define TTY_BUFFER_PAGE	(((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF)
 
 
 struct tty_bufhead {