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arm64: unexport set_memory_x and set_memory_nx 

No module currently messed with clearing or setting the execute
permission of kernel memory, and none really should.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Christoph Hellwig 2019-08-13 11:01:41 +02:00 committed by Will Deacon
parent 90776dd1c4
commit d225bb8d8a
1 changed files with 0 additions and 2 deletions
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2
arch/arm64/mm/pageattr.c
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@ -128,7 +128,6 @@ int set_memory_nx(unsigned long addr, int numpages)
__pgprot(PTE_PXN),
__pgprot(0));
}
EXPORT_SYMBOL_GPL(set_memory_nx);
int set_memory_x(unsigned long addr, int numpages)
{
@ -136,7 +135,6 @@ int set_memory_x(unsigned long addr, int numpages)
__pgprot(0),
__pgprot(PTE_PXN));
}
EXPORT_SYMBOL_GPL(set_memory_x);
int set_memory_valid(unsigned long addr, int numpages, int enable)
{