[tip: x86/mm] x86/mm: Unexport set_memory_x() and set_memory_nx()

[tip-bot2 for Christoph Hellwig]

The following commit has been merged into the x86/mm branch of tip:

Commit-ID:     ec46133d3b81053701e2a29047dfb6228ff487bd
Gitweb:        https://git.kernel.org/tip/ec46133d3b81053701e2a29047dfb6228ff487bd
Author:        Christoph Hellwig <hch@xxxxxx>
AuthorDate:    Mon, 26 Aug 2019 09:55:54 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 03 Sep 2019 09:26:37 +02:00

x86/mm: 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@xxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190826075558.8125-2-hch@xxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 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 e14e95e..08a6f04 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1977,7 +1977,6 @@ 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)
 {
@@ -1986,7 +1985,6 @@ 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)
 {