arm64: pageattr: Correctly adjust unaligned start addresses

The start address needs to be actually updated after it is detected to be unaligned. Adjust it and the end address properly. Reported-by: Zi Shen Lim <[email protected]> Reviewed-by: Zi Shen Lim <[email protected]> Signed-off-by: Laura Abbott <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
neviim · Sep 12, 2014 · b4da184 · b4da184
1 parent 60ef049
commit b4da184
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c
@@ -46,7 +46,8 @@ static int change_memory_common(unsigned long addr, int numpages,
 	struct page_change_data data;
 
 	if (!IS_ALIGNED(addr, PAGE_SIZE)) {
-		addr &= PAGE_MASK;
+		start &= PAGE_MASK;
+		end = start + size;
 		WARN_ON_ONCE(1);
 	}