[PATCH] sparc: task_stack_page()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index 7eebb08a953a4da18503393a67ac4daa2da44650..fbb05a452e51552590e01d7da2e1af7c617d8a47 100644 (file)
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -302,7 +302,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
        int count = 0;
 
        if (tsk != NULL)
-               task_base = (unsigned long) tsk->thread_info;
+               task_base = (unsigned long) task_stack_page(tsk);
        else
                task_base = (unsigned long) current_thread_info();
 
@@ -392,7 +392,7 @@ void flush_thread(void)
                /* We must fixup kregs as well. */
                /* XXX This was not fixed for ti for a while, worked. Unused? */
                current->thread.kregs = (struct pt_regs *)
-                   ((char *)current->thread_info + (THREAD_SIZE - TRACEREG_SZ));
+                   (task_stack_page(current) + (THREAD_SIZE - TRACEREG_SZ));
        }
 }
 
@@ -459,7 +459,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
                unsigned long unused,
                struct task_struct *p, struct pt_regs *regs)
 {
-       struct thread_info *ti = p->thread_info;
+       struct thread_info *ti = task_thread_info(p);
        struct pt_regs *childregs;
        char *new_stack;
 
@@ -482,7 +482,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
         *  V                      V (stk.fr.) V  (pt_regs)  { (stk.fr.) }
         *  +----- - - - - - ------+===========+============={+==========}+
         */
-       new_stack = (char*)ti + THREAD_SIZE;
+       new_stack = task_stack_page(p) + THREAD_SIZE;
        if (regs->psr & PSR_PS)
                new_stack -= STACKFRAME_SZ;
        new_stack -= STACKFRAME_SZ + TRACEREG_SZ;