From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86: parocessor.h - use PAGE_SIZE instead of numeric value v2
Date: Thu, 13 Mar 2008 19:44:56 +0300 [thread overview]
Message-ID: <20080313164456.GA7560@cvg> (raw)
This patch replaces numeric constant with an appropriate macro
Also 0x800000000000UL is changed to bit shifting which is complement
to the code comment (thanks hpa for notice)
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
Index: linux-2.6.git/include/asm-x86/processor.h
===================================================================
--- linux-2.6.git.orig/include/asm-x86/processor.h 2008-03-12 23:17:25.000000000 +0300
+++ linux-2.6.git/include/asm-x86/processor.h 2008-03-13 18:35:13.000000000 +0300
@@ -786,7 +786,7 @@ extern unsigned long thread_saved_pc(str
/*
* User space process size. 47bits minus one guard page.
*/
-#define TASK_SIZE64 (0x800000000000UL - 4096)
+#define TASK_SIZE64 ((1UL << 47) - PAGE_SIZE)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
next reply other threads:[~2008-03-13 16:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-13 16:44 Cyrill Gorcunov [this message]
2008-03-21 11:37 ` [PATCH] x86: parocessor.h - use PAGE_SIZE instead of numeric value v2 Ingo Molnar
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