From c03a6a7ba6f456663e4b254cdde460b24c0852e1 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 5 May 2012 15:05:45 +0000 Subject: [PATCH] mn10300: Use common threadinfo allocator Let the core code allocate and handle the kgdb cleanup with the arch_release_thread_info() function. Signed-off-by: Thomas Gleixner Cc: David Howells Link: http://lkml.kernel.org/r/20120505150141.996582377@linutronix.de --- arch/mn10300/include/asm/thread_info.h | 17 +++-------------- arch/mn10300/kernel/kgdb.c | 3 +-- 2 files changed, 4 insertions(+), 16 deletions(-) diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h index 28cf52100baa..08251d6f6b11 100644 --- a/arch/mn10300/include/asm/thread_info.h +++ b/arch/mn10300/include/asm/thread_info.h @@ -20,8 +20,10 @@ #ifdef CONFIG_4KSTACKS #define THREAD_SIZE (4096) +#define THREAD_SIZE_ORDER (0) #else #define THREAD_SIZE (8192) +#define THREAD_SIZE_ORDER (1) #endif #define STACK_WARN (THREAD_SIZE / 8) @@ -120,21 +122,8 @@ static inline unsigned long current_stack_pointer(void) return sp; } -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -/* thread information allocation */ -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info_node(tsk, node) \ - kzalloc_node(THREAD_SIZE, GFP_KERNEL, node) -#else -#define alloc_thread_info_node(tsk, node) \ - kmalloc_node(THREAD_SIZE, GFP_KERNEL, node) -#endif - #ifndef CONFIG_KGDB -#define free_thread_info(ti) kfree((ti)) -#else -extern void free_thread_info(struct thread_info *); +void arch_release_thread_info(struct thread_info *ti) #endif #define get_thread_info(ti) get_task_struct((ti)->task) #define put_thread_info(ti) put_task_struct((ti)->task) diff --git a/arch/mn10300/kernel/kgdb.c b/arch/mn10300/kernel/kgdb.c index f6c981db2a36..99770823451a 100644 --- a/arch/mn10300/kernel/kgdb.c +++ b/arch/mn10300/kernel/kgdb.c @@ -397,7 +397,7 @@ static bool kgdb_arch_undo_singlestep(struct pt_regs *regs) * single-step state is cleared. At this point the breakpoints should have * been removed by __switch_to(). */ -void free_thread_info(struct thread_info *ti) +void arch_release_thread_info(struct thread_info *ti) { if (kgdb_sstep_thread == ti) { kgdb_sstep_thread = NULL; @@ -407,7 +407,6 @@ void free_thread_info(struct thread_info *ti) * so force immediate reentry */ kgdb_breakpoint(); } - kfree(ti); } /* -- 2.39.5