Commit 22e99fa5 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/mm: implement set_memory_rox() 



Provide the s390 specific native set_memory_rox() implementation to avoid
frequent set_memory_ro(); set_memory_x() call pairs.

This is the s390 variant of commit 60463628 ("x86/mm: Implement native
set_memory_rox()").

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 bac30ea9

arch/s390/include/asm/set_memory.h

+6 −0
Original line number Diff line number Diff line
@@ -34,6 +34,12 @@ static inline int set_memory_x(unsigned long addr, int numpages) 
	return __set_memory(addr, numpages, SET_MEMORY_X);

}



#define set_memory_rox set_memory_rox

static inline int set_memory_rox(unsigned long addr, int numpages)

{

	return __set_memory(addr, numpages, SET_MEMORY_RO | SET_MEMORY_X);

}



static inline int set_memory_4k(unsigned long addr, int numpages)

{

	return __set_memory(addr, numpages, SET_MEMORY_4K);