[PATCH 2/2] ARM: mm: allow set_memory_*() to be used on the vmalloc region

Russell King rmk+kernel at armlinux.org.uk
Mon Nov 21 08:08:40 PST 2016


We can allow modules to be loaded into the vmalloc region, where they
should also benefit from the same protections as those loaded into
the more efficient module region.  Allow these functions to operate
there as well.

Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
---
 arch/arm/mm/pageattr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c
index db09f2e7efda..ad8032bfe734 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c
@@ -55,7 +55,8 @@ static int change_memory_common(unsigned long addr, int numpages,
 	if (!size)
 		return 0;
 
-	if (!in_range(start, size, MODULES_VADDR, MODULES_END))
+	if (!in_range(start, size, MODULES_VADDR, MODULES_END) &&
+	    !in_range(start, size, VMALLOC_START, VMALLOC_END))
 		return -EINVAL;
 
 	data.set_mask = set_mask;
-- 
2.7.4




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