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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Lennox Wu <lennox.wu@gmail.com>
Subject: [patch 14/18] score: Use common threadinfo allocator
Date: Sat, 05 May 2012 15:05:46 -0000
Message-ID: <20120505150142.123383955@linutronix.de> (raw)
In-Reply-To: <20120505150007.543515803@linutronix.de>


[-- Attachment #0: score-use-common-threadinfo-allocator.patch --]
[-- Type: text/plain, Size: 1248 bytes --]

No point in using kmalloc for allocating 2 pages.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lennox Wu <lennox.wu@gmail.com> 
---
 arch/score/include/asm/thread_info.h |   10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

Index: tip/arch/score/include/asm/thread_info.h
===================================================================
--- tip.orig/arch/score/include/asm/thread_info.h
+++ tip/arch/score/include/asm/thread_info.h
@@ -11,10 +11,9 @@
 #include <linux/const.h>
 
 /* thread information allocation */
-#define THREAD_SIZE_ORDER 	(1)
-#define THREAD_SIZE 		(PAGE_SIZE << THREAD_SIZE_ORDER)
-#define THREAD_MASK 		(THREAD_SIZE - _AC(1,UL))
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+#define THREAD_SIZE_ORDER	(1)
+#define THREAD_SIZE		(PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_MASK		(THREAD_SIZE - _AC(1,UL))
 
 #ifndef __ASSEMBLY__
 
@@ -71,9 +70,6 @@ struct thread_info {
 register struct thread_info *__current_thread_info __asm__("r28");
 #define current_thread_info()	__current_thread_info
 
-#define alloc_thread_info_node(tsk, node) kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
-#define free_thread_info(info) kfree(info)
-
 #endif /* !__ASSEMBLY__ */
 
 #define PREEMPT_ACTIVE		0x10000000



  parent reply index

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-05 15:05 [patch 00/18] fork: Move most archs to generic threadinfo/taskstruct allocators Thomas Gleixner
2012-05-05 15:05 ` [patch 01/18] fork: Remove the weak insanity Thomas Gleixner
2012-05-05 15:58   ` Sam Ravnborg
2012-05-07 20:55     ` Thomas Gleixner
2012-05-07 21:03       ` Sam Ravnborg
2012-05-08 12:31   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 03/18] fork: Move thread info gfp flags to header Thomas Gleixner
2012-05-07  4:34   ` Paul E. McKenney
2012-05-07 13:38     ` Paul E. McKenney
2012-05-07 19:14     ` Thomas Gleixner
2012-05-07 20:53       ` Paul E. McKenney
2012-05-08 17:51         ` Paul E. McKenney
2012-05-08 12:32   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 04/18] fork: Provide kmemcache based thread_info allocator Thomas Gleixner
2012-05-08 12:35   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 02/18] fork: Provide weak arch_release_[task_struct|thread_info] functions Thomas Gleixner
2012-05-08 12:33   ` [tip:smp/hotplug] fork: Provide weak arch_release_[ task_struct|thread_info] functions tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 05/18] x86: Use common threadinfo allocator Thomas Gleixner
2012-05-08 12:37   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 06/18] c6x: " Thomas Gleixner
2012-05-07 19:49   ` Mark Salter
2012-05-08 12:36   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 07/18] cris: " Thomas Gleixner
2012-05-08 12:37   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-15 12:49   ` [patch 07/18] " Jesper Nilsson
2012-05-05 15:05 ` [patch 08/18] frv: " Thomas Gleixner
2012-05-08 12:38   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 10/18] m32r: " Thomas Gleixner
2012-05-08 12:39   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 09/18] hexagon: " Thomas Gleixner
2012-05-08 12:40   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 11/18] mips: " Thomas Gleixner
2012-05-08 12:41   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 12/18] mn10300: " Thomas Gleixner
2012-05-08 12:42   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 13/18] powerpc: " Thomas Gleixner
2012-05-08 12:42   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` Thomas Gleixner [this message]
2012-05-08 12:44   ` [tip:smp/hotplug] score: " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 15/18] sh: " Thomas Gleixner
2012-05-08 12:43   ` [tip:smp/hotplug] sh-use-common-threadinfo-allocator tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 16/18] sparc: Use common threadinfo allocator Thomas Gleixner
2012-05-06 17:03   ` David Miller
2012-05-08 12:45   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-05 15:05 ` [patch 17/18] tile: " Thomas Gleixner
2012-05-05 15:21   ` Chris Metcalf
2012-05-07 19:45     ` Thomas Gleixner
2012-05-07 20:03       ` Chris Metcalf
2012-05-07 20:33         ` Thomas Gleixner
2012-05-07 20:52           ` Chris Metcalf
2012-05-08 12:04             ` Thomas Gleixner
2012-05-08 12:34   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-05-08 19:02     ` Chris Metcalf
2012-05-05 15:05 ` [patch 18/18] task_allocator: Use config switches instead of magic defines Thomas Gleixner
2012-05-07 20:32   ` Sam Ravnborg
2012-05-07 20:43     ` Thomas Gleixner
2012-05-08 12:46   ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner

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