Messages in this thread Patch in this message | | | From | Xiu Jianfeng <> | Subject | [PATCH -next] mm/rodata_test: use PAGE_ALIGNED() helper | Date | Tue, 6 Sep 2022 15:53:12 +0800 |
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Use PAGE_ALIGNED() helper instead of open-coding operation, no functional changes here.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> --- 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
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