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| author |   Thomas Gleixner <tglx@linutronix.de> | 2012-05-05 15:05:47 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-05-08 13:55:20 +0200 |
| commit | d909a81b198a397593495508c4a5755fe95552fb (patch) | |
| tree | a768be25c94b68d157d76d537a6bf763ea5fc076 | |
| parent | fork: Provide weak arch_release_[task_struct|thread_info] functions (diff) | |
| download | linux-dev-d909a81b198a397593495508c4a5755fe95552fb.tar.xz linux-dev-d909a81b198a397593495508c4a5755fe95552fb.zip | |
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>
Link: http://lkml.kernel.org/r/20120505150142.311126440@linutronix.de
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 6 | ||||
| -rw-r--r-- | 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 bc4f562bd459..c1cf8a8b0514 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 2d5ef617bb39..efb9833ce892 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); |