2022-09-06 08:53:54

by Xiu Jianfeng

[permalink] [raw]
Subject: [PATCH -next] mm/rodata_test: use PAGE_ALIGNED() helper

Use PAGE_ALIGNED() helper instead of open-coding operation,
no functional changes here.

Signed-off-by: Xiu Jianfeng <[email protected]>
---
mm/rodata_test.c | 8 +++-----
1 file 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;
}
--
2.17.1