From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with ESMTP id D373B6007FF for ; Fri, 6 Aug 2010 01:15:37 -0400 (EDT) Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [202.81.31.247]) by e23smtp07.au.ibm.com (8.14.4/8.13.1) with ESMTP id o765Fac9025923 for ; Fri, 6 Aug 2010 15:15:36 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o765FZHM1155108 for ; Fri, 6 Aug 2010 15:15:35 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o765FZpc017141 for ; Fri, 6 Aug 2010 15:15:35 +1000 From: Benjamin Herrenschmidt Subject: [PATCH 43/43] memblock: Add memblock_find_in_range() Date: Fri, 6 Aug 2010 15:15:24 +1000 Message-Id: <1281071724-28740-44-git-send-email-benh@kernel.crashing.org> In-Reply-To: <1281071724-28740-1-git-send-email-benh@kernel.crashing.org> References: <1281071724-28740-1-git-send-email-benh@kernel.crashing.org> Sender: owner-linux-mm@kvack.org To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, torvalds@linux-foundation.org, Yinghai Lu , Benjamin Herrenschmidt List-ID: From: Yinghai Lu This is a wrapper for memblock_find_base() using slightly different arguments (start,end instead of start,size for example) in order to make it easier to convert existing arch/x86 code. Signed-off-by: Yinghai Lu Signed-off-by: Benjamin Herrenschmidt --- include/linux/memblock.h | 2 ++ mm/memblock.c | 8 ++++++++ 2 files changed, 10 insertions(+), 0 deletions(-) diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 3978e6a..4df09bd 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -47,6 +47,8 @@ extern int memblock_can_resize; #define memblock_dbg(fmt, ...) \ if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) +u64 memblock_find_in_range(u64 start, u64 end, u64 size, u64 align); + extern void __init memblock_init(void); extern void __init memblock_analyze(void); extern long memblock_add(phys_addr_t base, phys_addr_t size); diff --git a/mm/memblock.c b/mm/memblock.c index a17faea..b7ab10a 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -162,6 +162,14 @@ static phys_addr_t __init memblock_find_base(phys_addr_t size, phys_addr_t align return MEMBLOCK_ERROR; } +/* + * Find a free area with specified alignment in a specific range. + */ +u64 __init_memblock memblock_find_in_range(u64 start, u64 end, u64 size, u64 align) +{ + return memblock_find_base(size, align, start, end); +} + static void __init_memblock memblock_remove_region(struct memblock_type *type, unsigned long r) { unsigned long i; -- 1.7.0.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org