From: Xiu Jianfeng <xiujianfeng@huawei.com>
Date: Tue, 6 Sep 2022 07:53:12 +0000 (+0800)
Subject: mm/rodata_test: use PAGE_ALIGNED() helper
X-Git-Tag: v6.1-rc1~68^2~166
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=679d7f69d60bbd124542e620b745c17643cdf680;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/mm/rodata_test.c b/mm/rodata_test.c
index 2613371945b7e..6d783436951f3 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;
 	}