lkml.org 
[lkml]   [2012]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch 17/18] 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@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);



\
 
 \ /
  Last update: 2012-05-05 17:21    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site