From: Miles Chen <miles.chen@mediatek.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <wsd_upstream@mediatek.com>,
Miles Chen <miles.chen@mediatek.com>
Subject: [PATCH v2] arm64: use is_vmalloc_addr
Date: Thu, 9 Feb 2017 19:45:34 +0800 [thread overview]
Message-ID: <1486640734-27637-1-git-send-email-miles.chen@mediatek.com> (raw)
To is_vmalloc_addr() to check if an address is a vmalloc address
instead of checking VMALLOC_START and VMALLOC_END manually.
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
---
arch/arm64/mm/ioremap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index 01e88c8..c4c8cd4 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -88,7 +88,7 @@ void __iounmap(volatile void __iomem *io_addr)
* We could get an address outside vmalloc range in case
* of ioremap_cache() reusing a RAM mapping.
*/
- if (VMALLOC_START <= addr && addr < VMALLOC_END)
+ if (is_vmalloc_addr((void *)addr))
vunmap((void *)addr);
}
EXPORT_SYMBOL(__iounmap);
--
1.9.1
next reply other threads:[~2017-02-09 11:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-09 11:45 Miles Chen [this message]
2017-02-13 5:20 ` [PATCH v2] arm64: use is_vmalloc_addr Andreas Färber
2017-02-13 12:52 ` Miles Chen
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