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[PATCH] i386: task_stack_page()

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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>
This commit is contained in:
Al Viro 2006-01-12 01:05:41 -08:00 committed by Linus Torvalds
parent 07b047fc24
commit 65e0fdffc9
2 changed files with 2 additions and 2 deletions
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2
arch/i386/kernel/process.c
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@ -771,7 +771,7 @@ unsigned long get_wchan(struct task_struct *p)
int count = 0;
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);
esp = p->thread.esp;
if (!stack_page || esp < stack_page || esp > top_esp+stack_page)
return 0;

2
include/asm-i386/processor.h
View file

@ -574,7 +574,7 @@ unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(task) \
({ \
struct pt_regs *__regs__; \
__regs__ = (struct pt_regs *)(KSTK_TOP((task)->thread_info)-8); \
__regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \
__regs__ - 1; \
})