x86: thread_info: merge thread_info allocation
Make them similar so that both use THREAD_ORDER and THREAD_FLAGS and have a
THREAD_SIZE definition that is setup in asm/page_xx.h
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index b7cd413..348f0e0 100644
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -132,6 +132,7 @@
/* work to do on any return to user space */
#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
+/* Only used for 64 bit */
#define _TIF_DO_NOTIFY_MASK \
(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY|_TIF_HRTICK_RESCHED)
@@ -143,18 +144,21 @@
#define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW
#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG)
-
#define PREEMPT_ACTIVE 0x10000000
+/* thread information allocation */
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
+#else
+#define THREAD_FLAGS GFP_KERNEL
+#endif
+
+#define alloc_thread_info(tsk) \
+ ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
+
#ifdef CONFIG_X86_32
-#ifdef CONFIG_4KSTACKS
-#define THREAD_SIZE (4096)
-#else
-#define THREAD_SIZE (8192)
-#endif
-
-#define STACK_WARN (THREAD_SIZE/8)
+#define STACK_WARN (THREAD_SIZE/8)
/*
* macros/functions for gaining access to the thread information structure
*
@@ -173,15 +177,6 @@
(current_stack_pointer & ~(THREAD_SIZE - 1));
}
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) ((struct thread_info *) \
- __get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(THREAD_SIZE)))
-#else
-#define alloc_thread_info(tsk) ((struct thread_info *) \
- __get_free_pages(GFP_KERNEL, get_order(THREAD_SIZE)))
-#endif
-
#else /* !__ASSEMBLY__ */
/* how to get the thread information struct from ASM */
@@ -219,16 +214,6 @@
return ti;
}
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
-#else
-#define THREAD_FLAGS GFP_KERNEL
-#endif
-
-#define alloc_thread_info(tsk) \
- ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
-
#else /* !__ASSEMBLY__ */
/* how to get the thread information struct from ASM */