Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754023Ab3CXHaZ (ORCPT ); Sun, 24 Mar 2013 03:30:25 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:38285 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753820Ab3CXHaW (ORCPT ); Sun, 24 Mar 2013 03:30:22 -0400 From: Jiang Liu To: Andrew Morton , David Rientjes Cc: Jiang Liu , Wen Congyang , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , Jianguo Wu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yoshinori Sato , Geert Uytterhoeven Subject: [RFC PATCH v2, part4 17/39] mm/h8300: prepare for removing num_physpages and simplify mem_init() Date: Sun, 24 Mar 2013 15:24:52 +0800 Message-Id: <1364109934-7851-27-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1364109934-7851-1-git-send-email-jiang.liu@huawei.com> References: <1364109934-7851-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2396 Lines: 71 Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: Yoshinori Sato Cc: Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org --- arch/h8300/mm/init.c | 34 ++++++++-------------------------- 1 file changed, 8 insertions(+), 26 deletions(-) diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index 22fd869..0088f3a 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -121,40 +121,22 @@ void __init paging_init(void) void __init mem_init(void) { - int codek = 0, datak = 0, initk = 0; - /* DAVIDM look at setup memory map generically with reserved area */ - unsigned long tmp; - extern unsigned long _ramend, _ramstart; - unsigned long len = &_ramend - &_ramstart; - unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */ - unsigned long end_mem = memory_end; /* DAVIDM - this must not include kernel stack at top */ + unsigned long codesize = _etext - _stext; #ifdef DEBUG - printk(KERN_DEBUG "Mem_init: start=%lx, end=%lx\n", start_mem, end_mem); + pr_debug("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end); #endif - end_mem &= PAGE_MASK; - high_memory = (void *) end_mem; - - start_mem = PAGE_ALIGN(start_mem); - max_mapnr = num_physpages = MAP_NR(high_memory); + high_memory = (void *) (memory_end & PAGE_MASK); + max_mapnr = MAP_NR(high_memory); /* this will put all low memory onto the freelists */ free_all_bootmem(); - codek = (_etext - _stext) >> 10; - datak = (__bss_stop - _sdata) >> 10; - initk = (__init_begin - __init_end) >> 10; - - tmp = nr_free_pages() << PAGE_SHIFT; - printk(KERN_INFO "Memory available: %luk/%luk RAM, %luk/%luk ROM (%dk kernel code, %dk data)\n", - tmp >> 10, - len >> 10, - (rom_length > 0) ? ((rom_length >> 10) - codek) : 0, - rom_length >> 10, - codek, - datak - ); + mem_init_print_info(NULL); + if (rom_length > 0 && rom_length > codesize) + pr_info("Memory available: %luK/%luK ROM\n", + (rom_length - codesize) >> 10, rom_length >> 10); } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/