From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yinghai Lu Subject: [PATCH 05/17] x86,memblock: Add memblock_x86_reserve_range/memblock_x86_free_range Date: Thu, 29 Jul 2010 12:45:25 -0700 Message-ID: <1280432737-1808-6-git-send-email-yinghai@kernel.org> References: <1280432737-1808-1-git-send-email-yinghai@kernel.org> Return-path: In-Reply-To: <1280432737-1808-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , David Miller , Be Cc: Johannes Weiner , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu List-Id: linux-arch.vger.kernel.org they are wrappers for core versions. they are taking start/end/name instead of base/size. will make x86 conversion more easy could add more debug print out -v2: change get_max_mapped() to memblock.default_alloc_limit according to Michael Ellerman and Ben change to memblock_x86_reserve_range and memblock_x86_free_range according to Michael Ellerman -v3: call check_and_double after reserve/free, so could avoid to use find_memblock_area. Suggested by Michael Ellerman Signed-off-by: Yinghai Lu --- arch/x86/include/asm/memblock.h | 3 +++ arch/x86/mm/memblock.c | 22 ++++++++++++++++++++++ 2 files changed, 25 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/memblock.h b/arch/x86/include/asm/memblock.h index 69cf853..e11ddf0 100644 --- a/arch/x86/include/asm/memblock.h +++ b/arch/x86/include/asm/memblock.h @@ -6,4 +6,7 @@ u64 memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align); void memblock_x86_to_bootmem(u64 start, u64 end); +void memblock_x86_reserve_range(u64 start, u64 end, char *name); +void memblock_x86_free_range(u64 start, u64 end); + #endif diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c index 8101084..9829eaf 100644 --- a/arch/x86/mm/memblock.c +++ b/arch/x86/mm/memblock.c @@ -114,3 +114,25 @@ void __init memblock_x86_to_bootmem(u64 start, u64 end) memblock_reserve_reserved_regions(); } #endif + +void __init memblock_x86_reserve_range(u64 start, u64 end, char *name) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_reserve_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_reserve(start, end - start); +} + +void __init memblock_x86_free_range(u64 start, u64 end) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_free_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_free(start, end - start); +} -- 1.6.4.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rcsinet10.oracle.com ([148.87.113.121]:22012 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757585Ab0G2Tsg (ORCPT ); Thu, 29 Jul 2010 15:48:36 -0400 From: Yinghai Lu Subject: [PATCH 05/17] x86,memblock: Add memblock_x86_reserve_range/memblock_x86_free_range Date: Thu, 29 Jul 2010 12:45:25 -0700 Message-ID: <1280432737-1808-6-git-send-email-yinghai@kernel.org> In-Reply-To: <1280432737-1808-1-git-send-email-yinghai@kernel.org> References: <1280432737-1808-1-git-send-email-yinghai@kernel.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , David Miller , Benjamin Herrenschmidt , Linus Torvalds Cc: Johannes Weiner , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu Message-ID: <20100729194525.MlfUUJwL6kNpAzE2YLxnFuZH0CssoU5JL6mAAXHdp2s@z> they are wrappers for core versions. they are taking start/end/name instead of base/size. will make x86 conversion more easy could add more debug print out -v2: change get_max_mapped() to memblock.default_alloc_limit according to Michael Ellerman and Ben change to memblock_x86_reserve_range and memblock_x86_free_range according to Michael Ellerman -v3: call check_and_double after reserve/free, so could avoid to use find_memblock_area. Suggested by Michael Ellerman Signed-off-by: Yinghai Lu --- arch/x86/include/asm/memblock.h | 3 +++ arch/x86/mm/memblock.c | 22 ++++++++++++++++++++++ 2 files changed, 25 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/memblock.h b/arch/x86/include/asm/memblock.h index 69cf853..e11ddf0 100644 --- a/arch/x86/include/asm/memblock.h +++ b/arch/x86/include/asm/memblock.h @@ -6,4 +6,7 @@ u64 memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align); void memblock_x86_to_bootmem(u64 start, u64 end); +void memblock_x86_reserve_range(u64 start, u64 end, char *name); +void memblock_x86_free_range(u64 start, u64 end); + #endif diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c index 8101084..9829eaf 100644 --- a/arch/x86/mm/memblock.c +++ b/arch/x86/mm/memblock.c @@ -114,3 +114,25 @@ void __init memblock_x86_to_bootmem(u64 start, u64 end) memblock_reserve_reserved_regions(); } #endif + +void __init memblock_x86_reserve_range(u64 start, u64 end, char *name) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_reserve_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_reserve(start, end - start); +} + +void __init memblock_x86_free_range(u64 start, u64 end) +{ + if (start == end) + return; + + if (WARN_ONCE(start > end, "memblock_x86_free_range: wrong range [%#llx, %#llx]\n", start, end)) + return; + + memblock_free(start, end - start); +} -- 1.6.4.2