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s390/mm: implement set_memory_rox()

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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 60463628c9 ("x86/mm: Implement native
set_memory_rox()").

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2023-04-02 20:55:16 +02:00 committed by Vasily Gorbik
parent bac30ea9ef
commit 22e99fa564
1 changed files with 6 additions and 0 deletions
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6
arch/s390/include/asm/set_memory.h
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@ -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);