Commit 17c51b1b authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
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s390/mm: use BIT macro to generate SET_MEMORY bit masks 



Use BIT macro to generate SET_MEMORY bit masks, which is easier to
maintain if bits get added, or removed.

Reviewed-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 0ae241f4

arch/s390/include/asm/set_memory.h

+13 −5
Original line number Diff line number Diff line
@@ -6,11 +6,19 @@ 


extern struct mutex cpa_mutex;



#define SET_MEMORY_RO	1UL

#define SET_MEMORY_RW	2UL

#define SET_MEMORY_NX	4UL

#define SET_MEMORY_X	8UL

#define SET_MEMORY_4K  16UL

enum {

	_SET_MEMORY_RO_BIT,

	_SET_MEMORY_RW_BIT,

	_SET_MEMORY_NX_BIT,

	_SET_MEMORY_X_BIT,

	_SET_MEMORY_4K_BIT,

};



#define SET_MEMORY_RO	BIT(_SET_MEMORY_RO_BIT)

#define SET_MEMORY_RW	BIT(_SET_MEMORY_RW_BIT)

#define SET_MEMORY_NX	BIT(_SET_MEMORY_NX_BIT)

#define SET_MEMORY_X	BIT(_SET_MEMORY_X_BIT)

#define SET_MEMORY_4K	BIT(_SET_MEMORY_4K_BIT)



int __set_memory(unsigned long addr, int numpages, unsigned long flags);