Commit 679d7f69 authored by Xiu Jianfeng's avatar Xiu Jianfeng Committed by Andrew Morton
Browse files

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: default avatarXiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 4e07acdd

mm/rodata_test.c

+3 −5
Original line number Diff line number Diff line
@@ -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;

	}