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authorXiu Jianfeng <xiujianfeng@huawei.com>2022-09-06 10:53:12 +0300
committerAndrew Morton <akpm@linux-foundation.org>2022-10-04 00:03:05 +0300
commit679d7f69d60bbd124542e620b745c17643cdf680 (patch)
tree74b12a7d5fd72aa6cc0d04d7899776ba85ef71bb /mm/rodata_test.c
parent4e07acdda7fc23f5c4666e54961ef972a1195ffd (diff)
downloadlinux-679d7f69d60bbd124542e620b745c17643cdf680.tar.xz
mm/rodata_test: use PAGE_ALIGNED() helper
Use PAGE_ALIGNED() helper instead of open-coding operation, no functional changes here. Link: https://lkml.kernel.org/r/20220906075312.166595-1-xiujianfeng@huawei.com Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/rodata_test.c')
-rw-r--r--mm/rodata_test.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/rodata_test.c b/mm/rodata_test.c
index 2613371945b7..6d783436951f 100644
--- a/mm/rodata_test.c
+++ b/mm/rodata_test.c
@@ -9,13 +9,13 @@
#include <linux/rodata_test.h>
#include <linux/uaccess.h>
+#include <linux/mm.h>
#include <asm/sections.h>
static const int rodata_test_data = 0xC3;
void rodata_test(void)
{
- unsigned long start, end;
int zero = 0;
/* test 1: read the value */
@@ -39,13 +39,11 @@ void rodata_test(void)
}
/* test 4: check if the rodata section is PAGE_SIZE aligned */
- start = (unsigned long)__start_rodata;
- end = (unsigned long)__end_rodata;
- if (start & (PAGE_SIZE - 1)) {
+ if (!PAGE_ALIGNED(__start_rodata)) {
pr_err("start of .rodata is not page size aligned\n");
return;
}
- if (end & (PAGE_SIZE - 1)) {
+ if (!PAGE_ALIGNED(__end_rodata)) {
pr_err("end of .rodata is not page size aligned\n");
return;
}