From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932217AbbCIK1k (ORCPT ); Mon, 9 Mar 2015 06:27:40 -0400 Received: from service87.mimecast.com ([91.220.42.44]:50386 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753146AbbCIK1c (ORCPT ); Mon, 9 Mar 2015 06:27:32 -0400 From: Vladimir Murzin To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, lauraa@codeaurora.org, catalin.marinas@arm.com, will.deacon@arm.com, linux@arm.linux.org.uk, arnd@arndb.de, mark.rutland@arm.com, ard.biesheuvel@linaro.org, baruch@tkos.co.il, rdunlap@infradead.org Subject: [PATCH 2/6] memtest: use phys_addr_t for physical addresses Date: Mon, 9 Mar 2015 10:27:06 +0000 Message-Id: <1425896830-19705-3-git-send-email-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1425896830-19705-1-git-send-email-vladimir.murzin@arm.com> References: <1425896830-19705-1-git-send-email-vladimir.murzin@arm.com> X-OriginalArrivalTime: 09 Mar 2015 10:27:28.0595 (UTC) FILETIME=[A4B67230:01D05A53] X-MC-Unique: 115030910273001801 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id t29ARpud008031 Since memtest might be used by other architectures pass input parameters as phys_addr_t instead of long to prevent overflow. Signed-off-by: Vladimir Murzin Acked-by: Will Deacon Tested-by: Mark Rutland --- include/linux/memblock.h | 4 ++-- mm/memtest.c | 16 ++++++++-------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 6724cb0..9497ec7 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -366,9 +366,9 @@ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblo #endif #ifdef CONFIG_MEMTEST -extern void early_memtest(unsigned long start, unsigned long end); +extern void early_memtest(phys_addr_t start, phys_addr_t end); #else -static inline void early_memtest(unsigned long start, unsigned long end) +static inline void early_memtest(phys_addr_t start, phys_addr_t end) { } #endif diff --git a/mm/memtest.c b/mm/memtest.c index 1e9da79..1997d93 100644 --- a/mm/memtest.c +++ b/mm/memtest.c @@ -29,7 +29,7 @@ static u64 patterns[] __initdata = { 0x7a6c7258554e494cULL, /* yeah ;-) */ }; -static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad) +static void __init reserve_bad_mem(u64 pattern, phys_addr_t start_bad, phys_addr_t end_bad) { printk(KERN_INFO " %016llx bad mem addr %010llx - %010llx reserved\n", (unsigned long long) pattern, @@ -38,11 +38,11 @@ static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad) memblock_reserve(start_bad, end_bad - start_bad); } -static void __init memtest(u64 pattern, u64 start_phys, u64 size) +static void __init memtest(u64 pattern, phys_addr_t start_phys, phys_addr_t size) { u64 *p, *start, *end; - u64 start_bad, last_bad; - u64 start_phys_aligned; + phys_addr_t start_bad, last_bad; + phys_addr_t start_phys_aligned; const size_t incr = sizeof(pattern); start_phys_aligned = ALIGN(start_phys, incr); @@ -69,14 +69,14 @@ static void __init memtest(u64 pattern, u64 start_phys, u64 size) reserve_bad_mem(pattern, start_bad, last_bad + incr); } -static void __init do_one_pass(u64 pattern, u64 start, u64 end) +static void __init do_one_pass(u64 pattern, phys_addr_t start, phys_addr_t end) { u64 i; phys_addr_t this_start, this_end; for_each_free_mem_range(i, NUMA_NO_NODE, &this_start, &this_end, NULL) { - this_start = clamp_t(phys_addr_t, this_start, start, end); - this_end = clamp_t(phys_addr_t, this_end, start, end); + this_start = clamp(this_start, start, end); + this_end = clamp(this_end, start, end); if (this_start < this_end) { printk(KERN_INFO " %010llx - %010llx pattern %016llx\n", (unsigned long long)this_start, @@ -102,7 +102,7 @@ static int __init parse_memtest(char *arg) early_param("memtest", parse_memtest); -void __init early_memtest(unsigned long start, unsigned long end) +void __init early_memtest(phys_addr_t start, phys_addr_t end) { unsigned int i; unsigned int idx = 0; -- 1.7.9.5