mm: move is_kernel_rodata() to asm-generic/sections.h

Export this routine so that we can use it later in devm_kstrdup_const() and devm_kfree(). Signed-off-by: Bartosz Golaszewski <[email protected]> Reviewed-by: Bjorn Andersson <[email protected]> Acked-by: Mike Rapoport <[email protected]> Acked-by: Rasmus Villemoes <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
berg · Oct 16, 2018 · 59c3f82 · 59c3f82
1 parent 0571967
commit 59c3f82
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 7 deletions.
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
@@ -141,4 +141,18 @@ static inline bool init_section_intersects(void *virt, size_t size)
 	return memory_intersects(__init_begin, __init_end, virt, size);
 }
 
+/**
+ * is_kernel_rodata - checks if the pointer address is located in the
+ *                    .rodata section
+ *
+ * @addr: address to check
+ *
+ * Returns: true if the address is located in .rodata, false otherwise.
+ */
+static inline bool is_kernel_rodata(unsigned long addr)
+{
+	return addr >= (unsigned long)__start_rodata &&
+	       addr < (unsigned long)__end_rodata;
+}
+
 #endif /* _ASM_GENERIC_SECTIONS_H_ */
diff --git a/mm/util.c b/mm/util.c
@@ -15,17 +15,10 @@
 #include <linux/vmalloc.h>
 #include <linux/userfaultfd_k.h>
 
-#include <asm/sections.h>
 #include <linux/uaccess.h>
 
 #include "internal.h"
 
-static inline int is_kernel_rodata(unsigned long addr)
-{
-	return addr >= (unsigned long)__start_rodata &&
-		addr < (unsigned long)__end_rodata;
-}
-
 /**
  * kfree_const - conditionally free memory
  * @x: pointer to the memory