linux-kernel - [PATCH] arm64: use is_vmalloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1486606807-32097-1-git-send-email-miles.chen@mediatek.com>
Date:   Thu, 9 Feb 2017 10:20:07 +0800
From:   Miles Chen <miles.chen@...iatek.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <wsd_upstream@...iatek.com>,
        Miles Chen <miles.chen@...iatek.com>
Subject: [PATCH] arm64: use is_vmalloc_addr

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@...iatek.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..71d6b04 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(addr))
 		vunmap((void *)addr);
 }
 EXPORT_SYMBOL(__iounmap);
-- 
1.9.1