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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:05:53 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:55 -0800
commit768595ffba46b101ad54d8775e640fecbe470d9a (patch)
tree234a7c06144d118fde6eacf50017a996188df768 /arch/m68k
parent097cb338c72b4916d8221278caba63d74d9f19d6 (diff)
downloadop-kernel-dev-768595ffba46b101ad54d8775e640fecbe470d9a.zip
op-kernel-dev-768595ffba46b101ad54d8775e640fecbe470d9a.tar.gz
[PATCH] m68k: 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>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/kernel/process.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 13d10932..3f9cb55 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -238,10 +238,9 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
{
struct pt_regs * childregs;
struct switch_stack * childstack, *stack;
- unsigned long stack_offset, *retp;
+ unsigned long *retp;
- stack_offset = THREAD_SIZE - sizeof(struct pt_regs);
- childregs = (struct pt_regs *) ((unsigned long) (p->thread_info) + stack_offset);
+ childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;
*childregs = *regs;
childregs->d0 = 0;
@@ -386,7 +385,7 @@ unsigned long get_wchan(struct task_struct *p)
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
- stack_page = (unsigned long)(p->thread_info);
+ stack_page = (unsigned long)task_stack_page(p);
fp = ((struct switch_stack *)p->thread.ksp)->a6;
do {
if (fp < stack_page+sizeof(struct thread_info) ||
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