[PATCH] parisc: add ptr_to_compat()
Add ptr_to_compat() to parisc - needed by the new robust futex code. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Grant Grundler <iod00d@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -138,6 +138,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
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return (void __user *)(unsigned long)uptr;
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}
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static inline compat_uptr_t ptr_to_compat(void __user *uptr)
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{
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return (u32)(unsigned long)uptr;
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}
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static __inline__ void __user *compat_alloc_user_space(long len)
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{
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struct pt_regs *regs = ¤t->thread.regs;
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