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[PATCH] mips: add ptr_to_compat()

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Add ptr_to_compat() - needed by the new robust futex code.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-03-27 01:16:13 -08:00 committed by Linus Torvalds
parent 213b63b76a
commit 62ac285f3c
1 changed files with 5 additions and 0 deletions
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5
include/asm-mips/compat.h
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@ -133,6 +133,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
return (void __user *)(long)uptr;
}
static inline compat_uptr_t ptr_to_compat(void __user *uptr)
{
return (u32)(unsigned long)uptr;
}
static inline void __user *compat_alloc_user_space(long len)
{
struct pt_regs *regs = (struct pt_regs *)