Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[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>
authored by Al Viro and committed by Linus Torvalds 768595ff 097cb338
+3
-4
arch/m68k/kernel/process.c
+3
-4
arch/m68k/kernel/process.c
···
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{
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struct pt_regs * childregs;
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struct switch_stack * childstack, *stack;
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-
unsigned long stack_offset, *retp;
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+
unsigned long *retp;
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-
stack_offset = THREAD_SIZE - sizeof(struct pt_regs);
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-
childregs = (struct pt_regs *) ((unsigned long) (p->thread_info) + stack_offset);
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+
childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;
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*childregs = *regs;
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childregs->d0 = 0;
···
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if (!p || p == current || p->state == TASK_RUNNING)
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return 0;
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-
stack_page = (unsigned long)(p->thread_info);
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+
stack_page = (unsigned long)task_stack_page(p);
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fp = ((struct switch_stack *)p->thread.ksp)->a6;
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do {
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if (fp < stack_page+sizeof(struct thread_info) ||