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Subject[PATCH 2/6] x86: unexport set_memory_x and set_memory_nx
Date
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>
---
arch/x86/mm/pageattr.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 6a9a77a403c9..a02ca8986299 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1967,7 +1967,6 @@ int set_memory_x(unsigned long addr, int numpages)

return change_page_attr_clear(&addr, numpages, __pgprot(_PAGE_NX), 0);
}
-EXPORT_SYMBOL(set_memory_x);

int set_memory_nx(unsigned long addr, int numpages)
{
@@ -1976,7 +1975,6 @@ int set_memory_nx(unsigned long addr, int numpages)

return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_NX), 0);
}
-EXPORT_SYMBOL(set_memory_nx);

int set_memory_ro(unsigned long addr, int numpages)
{
--
2.20.1
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