# \[PATCH v4 10/11\] microblaze: Use is\_kernel\_text() helper

- From: Kefeng Wang \<hidden\>
- Date: 2021-09-30 07:09:48 
- List: linux-alpha
- Page: https://ratatoskr.run/linux-alpha/2021/09/1526632
- Thread: https://ratatoskr.run/linux-arch/2021/09/1526626/t.md

```text
Use is_kernel_text() helper to simplify code.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Kefeng Wang <redacted>
---
 arch/microblaze/mm/pgtable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index c1833b159d3b..9f73265aad4e 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -34,6 +34,7 @@
 #include <linux/mm_types.h>
 #include <linux/pgtable.h>
 #include <linux/memblock.h>
+#include <linux/kallsyms.h>
 
 #include <asm/pgalloc.h>
 #include <linux/io.h>
@@ -171,7 +172,7 @@ void __init mapin_ram(void)
 	for (s = 0; s < lowmem_size; s += PAGE_SIZE) {
 		f = _PAGE_PRESENT | _PAGE_ACCESSED |
 				_PAGE_SHARED | _PAGE_HWEXEC;
-		if ((char *) v < _stext || (char *) v >= _etext)
+		if (!is_kernel_text(v))
 			f |= _PAGE_WRENABLE;
 		else
 			/* On the MicroBlaze, no user access
-- 
2.26.2

```