References: <[EMAIL PROTECTED]>
In-Reply-To: <[EMAIL PROTECTED]>

Signed-off-by: Al Viro <[EMAIL PROTECTED]>

---

 arch/arm/kernel/process.c   |    2 +-
 arch/arm/kernel/smp.c       |    4 ++--
 arch/arm/kernel/traps.c     |    2 +-
 include/asm-arm/processor.h |    2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

00591c95d853894b7020b5d4a67a7a0e2e83eb00
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 8c62909..1be78b0 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -461,7 +461,7 @@ unsigned long get_wchan(struct task_stru
                return 0;
 
        stack_start = (unsigned long)end_of_stack(p);
-       stack_end = ((unsigned long)p->thread_info) + THREAD_SIZE;
+       stack_end = (unsigned long)task_stack_page(p) + THREAD_SIZE;
 
        fp = thread_saved_fp(p);
        do {
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 373c095..7338948 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -114,7 +114,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
         * We need to tell the secondary core where to find
         * its stack and the page tables.
         */
-       secondary_data.stack = (void *)idle->thread_info + THREAD_START_SP;
+       secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
        secondary_data.pgdir = virt_to_phys(pgd);
        wmb();
 
@@ -245,7 +245,7 @@ void __cpuexit cpu_die(void)
        __asm__("mov    sp, %0\n"
        "       b       secondary_start_kernel"
                :
-               : "r" ((void *)current->thread_info + THREAD_SIZE - 8));
+               : "r" (task_stack_page(current) + THREAD_SIZE - 8));
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index f7e733c..496bf7c 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -211,7 +211,7 @@ static void __die(const char *str, int e
 
        if (!user_mode(regs) || in_interrupt()) {
                dump_mem("Stack: ", regs->ARM_sp,
-                        THREAD_SIZE + (unsigned long)tsk->thread_info);
+                        THREAD_SIZE + (unsigned long)task_stack_page(tsk));
                dump_backtrace(regs, tsk);
                dump_instr(regs);
        }
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index fb5877e..3129069 100644
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -86,7 +86,7 @@ unsigned long get_wchan(struct task_stru
 extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 
 #define task_pt_regs(p) \
-       ((struct pt_regs *)(THREAD_START_SP + (void *)(p)->thread_info) - 1)
+       ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1)
 
 #define KSTK_EIP(tsk)  task_pt_regs(tsk)->ARM_pc
 #define KSTK_ESP(tsk)  task_pt_regs(tsk)->ARM_sp
-- 
0.99.9.GIT

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