linux-kernel - [tip: x86/mm] x86/mm: Use PAGE_ALIGNED(x) instead of IS_ALIGNED(x, PAGE

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Date:   Fri, 27 May 2022 10:23:31 -0000
From:   "tip-bot2 for Fanjun Kong" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Fanjun Kong <bh1scw@...il.com>, Ingo Molnar <mingo@...nel.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/mm] x86/mm: Use PAGE_ALIGNED(x) instead of IS_ALIGNED(x, PAGE_SIZE)

The following commit has been merged into the x86/mm branch of tip:

Commit-ID:     e19d11267f0e6c8aff2d15d2dfed12365b4c9184
Gitweb:        https://git.kernel.org/tip/e19d11267f0e6c8aff2d15d2dfed12365b4c9184
Author:        Fanjun Kong <bh1scw@...il.com>
AuthorDate:    Thu, 26 May 2022 22:20:39 +08:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 27 May 2022 12:19:56 +02:00

x86/mm: Use PAGE_ALIGNED(x) instead of IS_ALIGNED(x, PAGE_SIZE)

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

No change in functionality.

[ mingo: Tweak changelog. ]

Signed-off-by: Fanjun Kong <bh1scw@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20220526142038.1582839-1-bh1scw@gmail.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 61d0ab1..8779d6b 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);