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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-07-19 04:48:14 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 13:04:45 -0400
commitb111757c50ee30dad162192df6168e270a90c252 (patch)
tree49a38ddb2fd5f53ceb4f76c802c2185c1be9a6c6 /include/asm-frv
parentf34e3b61f2be9628bd41244f3ecc42009c5eced5 (diff)
arch: personality independent stack top
New arch macro STACK_TOP_MAX it gives the larges valid stack address for the architecture in question. It differs from STACK_TOP in that it will not distinguish between personalities but will always return the largest possible address. This is used to create the initial stack on execve, which we will move down to the proper location once the binfmt code has figured out where that is. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-frv')
-rw-r--r--include/asm-frv/mem-layout.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-frv/mem-layout.h b/include/asm-frv/mem-layout.h
index a025dd4514e7..aaf2a773d9d3 100644
--- a/include/asm-frv/mem-layout.h
+++ b/include/asm-frv/mem-layout.h
@@ -60,6 +60,7 @@
60 */ 60 */
61#define BRK_BASE __UL(2 * 1024 * 1024 + PAGE_SIZE) 61#define BRK_BASE __UL(2 * 1024 * 1024 + PAGE_SIZE)
62#define STACK_TOP __UL(2 * 1024 * 1024) 62#define STACK_TOP __UL(2 * 1024 * 1024)
63#define STACK_TOP_MAX STACK_TOP
63 64
64/* userspace process size */ 65/* userspace process size */
65#ifdef CONFIG_MMU 66#ifdef CONFIG_MMU