linux-kernel - [PATCH v3 05/14] powerpc: use _ALIGN_DOWN macro for 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-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <b2cb4870e05c2a2ff95817c900d64c5a5126b505.1527608397.git.christophe.leroy@c-s.fr>
Date:   Tue, 29 May 2018 15:50:24 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        aneesh.kumar@...ux.vnet.ibm.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v3 05/14] powerpc: use _ALIGN_DOWN macro for VMALLOC_BASE

Use _ALIGN_DOWN macro instead of open coding in define of VMALLOC_BASE

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/include/asm/nohash/32/pgtable.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index db4e530dd5f3..810945afe677 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -110,9 +110,9 @@ extern int icache_44x_need_flush;
  */
 #define VMALLOC_OFFSET (0x1000000) /* 16M */
 #ifdef PPC_PIN_SIZE
-#define VMALLOC_BASE (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
+#define VMALLOC_BASE _ALIGN_DOWN(_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET, VMALLOC_OFFSET)
 #else
-#define VMALLOC_BASE ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
+#define VMALLOC_BASE _ALIGN_DOWN((long)high_memory + VMALLOC_OFFSET, VMALLOC_OFFSET)
 #endif
 #define VMALLOC_START	ioremap_bot
 #define VMALLOC_END	IOREMAP_END
-- 
2.13.3