From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
benh@kernel.crashing.org, tglx@linutronix.de
Subject: [tip:smp/hotplug] powerpc: Use common threadinfo allocator
Date: Tue, 8 May 2012 05:42:04 -0700 [thread overview]
Message-ID: <tip-96c951179736eb59c5f66de2ac85af9e7a6a8b15@git.kernel.org> (raw)
In-Reply-To: <20120505150142.059161130@linutronix.de>
Commit-ID: 96c951179736eb59c5f66de2ac85af9e7a6a8b15
Gitweb: http://git.kernel.org/tip/96c951179736eb59c5f66de2ac85af9e7a6a8b15
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Sat, 5 May 2012 15:05:45 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 8 May 2012 14:08:45 +0200
powerpc: Use common threadinfo allocator
The core now has a threadinfo allocator which uses a kmemcache when
THREAD_SIZE < PAGE_SIZE.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Link: http://lkml.kernel.org/r/20120505150142.059161130@linutronix.de
---
arch/powerpc/include/asm/thread_info.h | 13 -------------
arch/powerpc/kernel/process.c | 31 -------------------------------
2 files changed, 0 insertions(+), 44 deletions(-)
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 4a741c7..1a1bb00 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -62,21 +62,8 @@ struct thread_info {
#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
-/* thread information allocation */
-
-#if THREAD_SHIFT >= PAGE_SHIFT
-
#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
-#else /* THREAD_SHIFT < PAGE_SHIFT */
-
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node);
-extern void free_thread_info(struct thread_info *ti);
-
-#endif /* THREAD_SHIFT < PAGE_SHIFT */
-
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 4937c96..aa05935 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1252,37 +1252,6 @@ void __ppc64_runlatch_off(void)
}
#endif /* CONFIG_PPC64 */
-#if THREAD_SHIFT < PAGE_SHIFT
-
-static struct kmem_cache *thread_info_cache;
-
-struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
-{
- struct thread_info *ti;
-
- ti = kmem_cache_alloc_node(thread_info_cache, GFP_KERNEL, node);
- if (unlikely(ti == NULL))
- return NULL;
-#ifdef CONFIG_DEBUG_STACK_USAGE
- memset(ti, 0, THREAD_SIZE);
-#endif
- return ti;
-}
-
-void free_thread_info(struct thread_info *ti)
-{
- kmem_cache_free(thread_info_cache, ti);
-}
-
-void thread_info_cache_init(void)
-{
- thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE,
- THREAD_SIZE, 0, NULL);
- BUG_ON(thread_info_cache == NULL);
-}
-
-#endif /* THREAD_SHIFT < PAGE_SHIFT */
-
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
next prev parent reply other threads:[~2012-05-08 12:42 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-bot for Thomas Gleixner [this message]
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 ` [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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=tip-96c951179736eb59c5f66de2ac85af9e7a6a8b15@git.kernel.org \
--to=tglx@linutronix.de \
--cc=benh@kernel.crashing.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=mingo@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).