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authorKefeng Wang <[email protected]>2021-11-08 18:34:17 -0800
committerLinus Torvalds <[email protected]>2021-11-09 10:02:51 -0800
commit4b5ef1e11421af5ddd43e7989b70bbfcdd3e8d5b (patch)
tree78e942dae339c472cc4b6f8b0038040e07183daf
parent843a1ffaf6f2eafd333e03af16eb9c4ec68febc4 (diff)
microblaze: use is_kernel_text() helper
Use is_kernel_text() helper to simplify code. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Kefeng Wang <[email protected]> Acked-by: Michal Simek <[email protected]> Reviewed-by: Sergey Senozhatsky <[email protected]> Cc: Alexander Potapenko <[email protected]> Cc: Alexei Starovoitov <[email protected]> Cc: Andrey Konovalov <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Christophe Leroy <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Matt Turner <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--arch/microblaze/mm/pgtable.c3
1 files changed, 2 insertions, 1 deletions
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