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[MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte(). 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2006-08-31 19:39:09 +01:00
parent 65316fd13a
commit d34555fb20
1 changed files with 3 additions and 1 deletions
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4
include/asm-mips/page.h
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@ -77,15 +77,17 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
#ifdef CONFIG_CPU_MIPS32 #ifdef CONFIG_CPU_MIPS32
typedef struct { unsigned long pte_low, pte_high; } pte_t; typedef struct { unsigned long pte_low, pte_high; } pte_t;
#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
#define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
#else #else
typedef struct { unsigned long long pte; } pte_t; typedef struct { unsigned long long pte; } pte_t;
#define pte_val(x) ((x).pte) #define pte_val(x) ((x).pte)
#define __pte(x) ((pte_t) { (x) } )
#endif #endif
#else #else
typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long pte; } pte_t;
#define pte_val(x) ((x).pte) #define pte_val(x) ((x).pte)
#endif
#define __pte(x) ((pte_t) { (x) } ) #define __pte(x) ((pte_t) { (x) } )
#endif
/* /*
* For 3-level pagetables we defines these ourselves, for 2-level the * For 3-level pagetables we defines these ourselves, for 2-level the