From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f175.google.com (mail-pd0-f175.google.com [209.85.192.175]) by kanga.kvack.org (Postfix) with ESMTP id C04AB6B0036 for ; Tue, 18 Feb 2014 17:16:30 -0500 (EST) Received: by mail-pd0-f175.google.com with SMTP id w10so16847954pde.20 for ; Tue, 18 Feb 2014 14:16:30 -0800 (PST) Received: from smtp.codeaurora.org (smtp.codeaurora.org. [198.145.11.231]) by mx.google.com with ESMTPS id if4si19655291pbc.106.2014.02.18.14.15.42 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Feb 2014 14:15:43 -0800 (PST) From: Laura Abbott Subject: [PATCHv4 1/2] mm/memblock: add memblock_get_current_limit Date: Tue, 18 Feb 2014 14:15:32 -0800 Message-Id: <1392761733-32628-2-git-send-email-lauraa@codeaurora.org> In-Reply-To: <1392761733-32628-1-git-send-email-lauraa@codeaurora.org> References: <1392761733-32628-1-git-send-email-lauraa@codeaurora.org> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, Andrew Morton Cc: Laura Abbott , linux-kernel@vger.kernel.org, Leif Lindholm , Grygorii Strashko , Catalin Marinas , Rob Herring , Ard Biesheuvel , Will Deacon , Nicolas Pitre , Santosh Shilimkar Apart from setting the limit of memblock, it's also useful to be able to get the limit to avoid recalculating it every time. Add the function to do so. Acked-by: Catalin Marinas Acked-by: Santosh Shilimkar Acked-by: Andrew Morton Signed-off-by: Laura Abbott --- include/linux/memblock.h | 2 ++ mm/memblock.c | 5 +++++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 1ef6636..8a20a51 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -252,6 +252,8 @@ static inline void memblock_dump_all(void) void memblock_set_current_limit(phys_addr_t limit); +phys_addr_t memblock_get_current_limit(void); + /* * pfn conversion functions * diff --git a/mm/memblock.c b/mm/memblock.c index 39a31e7..7fe5354 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1407,6 +1407,11 @@ void __init_memblock memblock_set_current_limit(phys_addr_t limit) memblock.current_limit = limit; } +phys_addr_t __init_memblock memblock_get_current_limit(void) +{ + return memblock.current_limit; +} + static void __init_memblock memblock_dump(struct memblock_type *type, char *name) { unsigned long long base, size; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- 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