[PATCH v4 10/11] microblaze: Use is_kernel_text() helper

From: Kefeng Wang
Date: Thu Sep 30 2021 - 03:09:35 EST


Use is_kernel_text() helper to simplify code.

Cc: Michal Simek <monstr@xxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
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