linux-kernel - [PATCH] mm/vmalloc: reuse PAGE_ALIGNED to check PAGE

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Message-Id: <1457769344-31275-1-git-send-email-shawn.lin@rock-chips.com>
Date:	Sat, 12 Mar 2016 15:55:44 +0800
From:	Shawn Lin <shawn.lin@...k-chips.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Roman Pen <r.peniaev@...il.com>, linux-mm@...ck.org,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com>
Subject: [PATCH] mm/vmalloc: reuse PAGE_ALIGNED to check PAGE_SIZE aligned

we have defined PAGE_ALIGNED in mm.h, so let's use it instead of
IS_ALIGNED for checking PAGE_SIZE aligned case.

Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
---

 mm/vmalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e86c24e..ae7d20b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1085,7 +1085,7 @@ void vm_unmap_ram(const void *mem, unsigned int count)
 	BUG_ON(!addr);
 	BUG_ON(addr < VMALLOC_START);
 	BUG_ON(addr > VMALLOC_END);
-	BUG_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+	BUG_ON(!PAGE_ALIGNED(addr));
 
 	debug_check_no_locks_freed(mem, size);
 	vmap_debug_free_range(addr, addr+size);
-- 
2.3.7