From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Subject: [patch 17/18] tile: Use common threadinfo allocator
Date: Sat, 05 May 2012 15:05:47 -0000 [thread overview]
Message-ID: <20120505150142.311126440@linutronix.de> (raw)
In-Reply-To: 20120505150007.543515803@linutronix.de
[-- Attachment #1: tile-use-common-threadinfo-allocator.patch --]
[-- Type: text/plain, Size: 2245 bytes --]
Use the core allocator and deal with the extra cleanup in
arch_release_thread_info().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
---
arch/tile/include/asm/thread_info.h | 6 ++----
arch/tile/kernel/process.c | 23 ++---------------------
2 files changed, 4 insertions(+), 25 deletions(-)
Index: tip/arch/tile/include/asm/thread_info.h
===================================================================
--- tip.orig/arch/tile/include/asm/thread_info.h
+++ tip/arch/tile/include/asm/thread_info.h
@@ -77,16 +77,14 @@ struct thread_info {
#ifndef __ASSEMBLY__
+void arch_release_thread_info(struct thread_info *info);
+
/* How to get the thread information struct from C. */
register unsigned long stack_pointer __asm__("sp");
#define current_thread_info() \
((struct thread_info *)(stack_pointer & -THREAD_SIZE))
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-extern struct thread_info *alloc_thread_info_node(struct task_struct *task, int node);
-extern void free_thread_info(struct thread_info *info);
-
/* Sit on a nap instruction until interrupted. */
extern void smp_nap(void);
Index: tip/arch/tile/kernel/process.c
===================================================================
--- tip.orig/arch/tile/kernel/process.c
+++ tip/arch/tile/kernel/process.c
@@ -114,27 +114,10 @@ void cpu_idle(void)
}
}
-struct thread_info *alloc_thread_info_node(struct task_struct *task, int node)
-{
- struct page *page;
- gfp_t flags = GFP_KERNEL;
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
- flags |= __GFP_ZERO;
-#endif
-
- page = alloc_pages_node(node, flags, THREAD_SIZE_ORDER);
- if (!page)
- return NULL;
-
- return (struct thread_info *)page_address(page);
-}
-
/*
- * Free a thread_info node, and all of its derivative
- * data structures.
+ * Release a thread_info structure
*/
-void free_thread_info(struct thread_info *info)
+void arch_release_thread_info(struct thread_info *info)
{
struct single_step_state *step_state = info->step_state;
@@ -169,8 +152,6 @@ void free_thread_info(struct thread_info
*/
kfree(step_state);
}
-
- free_pages((unsigned long)info, THREAD_SIZE_ORDER);
}
static void save_arch_state(struct thread_struct *t);
next prev parent reply other threads:[~2012-05-05 15:05 UTC|newest]
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 08/18] frv: " Thomas Gleixner
2012-05-08 12:38 ` [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 09/18] hexagon: " Thomas Gleixner
2012-05-08 12:40 ` [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 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 ` [patch 14/18] score: " Thomas Gleixner
2012-05-08 12:44 ` [tip:smp/hotplug] " 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 ` Thomas Gleixner [this message]
2012-05-05 15:21 ` [patch 17/18] tile: " 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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