#ifndef __ASSEMBLY__
-#include <linux/config.h>
#include <asm/processor.h>
#include <asm/types.h>
0-0xBFFFFFFF for user
0-0xFFFFFFFF for kernel */
struct restart_block restart_block;
+ struct thread_info *real_thread; /* Points to non-IRQ stack */
};
#define INIT_THREAD_INFO(tsk) \
.restart_block = { \
.fn = do_no_restart_syscall, \
}, \
+ .real_thread = NULL, \
}
#define init_thread_info (init_thread_union.thread_info)
return ti;
}
+#ifdef CONFIG_DEBUG_STACK_USAGE
+
+#define alloc_thread_info(tsk) \
+ ((struct thread_info *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, \
+ CONFIG_KERNEL_STACK_ORDER))
+#else
+
/* thread information allocation */
#define alloc_thread_info(tsk) \
- ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL))
-#define free_thread_info(ti) kfree(ti)
+ ((struct thread_info *) __get_free_pages(GFP_KERNEL, \
+ CONFIG_KERNEL_STACK_ORDER))
+#endif
+
+#define free_thread_info(ti) \
+ free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER)
#endif