linux-kernel - [PATCH 2/3] hugetlb: alloc_bootmem_huge_page(): use IS

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Message-Id: <1415831593-9020-3-git-send-email-lcapitulino@redhat.com>
Date:	Wed, 12 Nov 2014 17:33:12 -0500
From:	Luiz Capitulino <lcapitulino@...hat.com>
To:	linux-mm@...ck.org
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	andi@...stfloor.org, rientjes@...gle.com, riel@...hat.com,
	isimatu.yasuaki@...fujitsu.com, yinghai@...nel.org,
	davidlohr@...com
Subject: [PATCH 2/3] hugetlb: alloc_bootmem_huge_page(): use IS_ALIGNED()

No reason to duplicate the code of an existing macro.

Signed-off-by: Luiz Capitulino <lcapitulino@...hat.com>
---
 mm/hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 9fd7227..a10fd57 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1457,7 +1457,7 @@ int __weak alloc_bootmem_huge_page(struct hstate *h)
 	return 0;
 
 found:
-	BUG_ON((unsigned long)virt_to_phys(m) & (huge_page_size(h) - 1));
+	BUG_ON(!IS_ALIGNED(virt_to_phys(m), huge_page_size(h)));
 	/* Put them into a private list first because mem_map is not up yet */
 	list_add(&m->list, &huge_boot_pages);
 	m->hstate = h;
-- 
1.9.3

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