Commit-ID: d909a81b198a397593495508c4a5755fe95552fb
Gitweb: http://git.kernel.org/tip/d909a81b198a397593495508c4a5755fe95552fb
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Sat, 5 May 2012 15:05:47 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 8 May 2012 13:55:20 +0200
tile: Use common threadinfo allocator
Use the core allocator and deal with the extra cleanup in
arch_release_thread_info().
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20120505150142.311126440@xxxxxxxxxxxxx
---
arch/tile/include/asm/thread_info.h | 6 ++----
arch/tile/kernel/process.c | 23 ++---------------------
2 files changed, 4 insertions(+), 25 deletions(-)
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index bc4f562..c1cf8a8 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/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);
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 2d5ef61..efb9833 100644
--- a/arch/tile/kernel/process.c
+++ b/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 *info)
*/
kfree(step_state);
}
-
- free_pages((unsigned long)info, THREAD_SIZE_ORDER);
}
static void save_arch_state(struct thread_struct *t);
--
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