* [PATCH] x86: parocessor.h - use PAGE_SIZE instead of numeric value v2
@ 2008-03-13 16:44 Cyrill Gorcunov
2008-03-21 11:37 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Cyrill Gorcunov @ 2008-03-13 16:44 UTC (permalink / raw)
To: Ingo Molnar; +Cc: H. Peter Anvin, LKML
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.
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2008-03-13 16:44 [PATCH] x86: parocessor.h - use PAGE_SIZE instead of numeric value v2 Cyrill Gorcunov
2008-03-21 11:37 ` Ingo Molnar
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