linux-kernel - [PATCH] x86/mm: use PAGE_ALIGNED instead of IS

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Message-Id: <20220526142038.1582839-1-bh1scw@gmail.com>
Date:   Thu, 26 May 2022 22:20:39 +0800
From:   bh1scw@...il.com
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>,
        Fanjun Kong <bh1scw@...il.com>
Subject: [PATCH] x86/mm: use PAGE_ALIGNED instead of IS_ALIGNED

From: Fanjun Kong <bh1scw@...il.com>

The <linux/mm.h> already provides the PAGE_ALIGNED macro. Let's
use this macro instead of IS_ALIGNED and passing PAGE_SIZE directly.

Signed-off-by: Fanjun Kong <bh1scw@...il.com>
---
 arch/x86/mm/init_64.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index cb290a2f0747..39c5246964a9 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1240,8 +1240,8 @@ remove_pagetable(unsigned long start, unsigned long end, bool direct,
 void __ref vmemmap_free(unsigned long start, unsigned long end,
 		struct vmem_altmap *altmap)
 {
-	VM_BUG_ON(!IS_ALIGNED(start, PAGE_SIZE));
-	VM_BUG_ON(!IS_ALIGNED(end, PAGE_SIZE));
+	VM_BUG_ON(!PAGE_ALIGNED(start));
+	VM_BUG_ON(!PAGE_ALIGNED(end));
 
 	remove_pagetable(start, end, false, altmap);
 }
@@ -1605,8 +1605,8 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
 {
 	int err;
 
-	VM_BUG_ON(!IS_ALIGNED(start, PAGE_SIZE));
-	VM_BUG_ON(!IS_ALIGNED(end, PAGE_SIZE));
+	VM_BUG_ON(!PAGE_ALIGNED(start));
+	VM_BUG_ON(!PAGE_ALIGNED(end));
 
 	if (end - start < PAGES_PER_SECTION * sizeof(struct page))
 		err = vmemmap_populate_basepages(start, end, node, NULL);
-- 
2.36.0