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From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 23/25] x86: Have nobootmem version setup_bootmem_allocator()
Date: Tue, 22 Jun 2010 10:26:52 -0700	[thread overview]
Message-ID: <1277227614-11581-24-git-send-email-yinghai@kernel.org> (raw)
In-Reply-To: <1277227614-11581-1-git-send-email-yinghai@kernel.org>

We can reduce #ifdef number from 3 to one in init_32.c

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/mm/init_32.c |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index e3ae067..f172aa3 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -771,11 +771,9 @@ static unsigned long __init setup_node_bootmem(int nodeid,
 
 	return bootmap + bootmap_size;
 }
-#endif
 
 void __init setup_bootmem_allocator(void)
 {
-#ifndef CONFIG_NO_BOOTMEM
 	int nodeid;
 	unsigned long bootmap_size, bootmap;
 	/*
@@ -787,13 +785,11 @@ void __init setup_bootmem_allocator(void)
 	if (bootmap == (unsigned long)LMB_ERROR)
 		panic("Cannot find bootmem map of size %ld\n", bootmap_size);
 	lmb_reserve_range(bootmap, bootmap + bootmap_size, "BOOTMAP");
-#endif
 
 	printk(KERN_INFO "  mapped low ram: 0 - %08lx\n",
 		 max_pfn_mapped<<PAGE_SHIFT);
 	printk(KERN_INFO "  low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
 
-#ifndef CONFIG_NO_BOOTMEM
 	for_each_online_node(nodeid) {
 		 unsigned long start_pfn, end_pfn;
 
@@ -811,10 +807,19 @@ void __init setup_bootmem_allocator(void)
 		bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
 						 bootmap);
 	}
-#endif
 
 	after_bootmem = 1;
 }
+#else
+void __init setup_bootmem_allocator(void)
+{
+	printk(KERN_INFO "  mapped low ram: 0 - %08lx\n",
+		 max_pfn_mapped<<PAGE_SHIFT);
+	printk(KERN_INFO "  low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+
+	after_bootmem = 1;
+}
+#endif
 
 /*
  * paging_init() sets up the page tables - note that the first 8MB are
-- 
1.6.4.2


  parent reply	other threads:[~2010-06-22 17:29 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-22 17:26 [PATCH -v19 00/25] Use lmb with x86 Yinghai Lu
2010-06-22 17:26 ` [PATCH 01/25] lmb: lmb_find_base() should return LMB_ERROR on failing path Yinghai Lu
2010-06-22 17:26 ` [PATCH 02/25] lmb: Prepare x86 to use lmb to replace early_res Yinghai Lu
2010-06-22 17:26 ` [PATCH 03/25] lmb: Print new doubled array location info Yinghai Lu
2010-06-29 17:44   ` Bjorn Helgaas
2010-06-29 18:38     ` H. Peter Anvin
2010-06-29 18:48       ` Bjorn Helgaas
2010-06-29 20:03     ` Yinghai Lu
2010-06-29 20:58       ` Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 04/25] lmb: Export LMB_ERROR again Yinghai Lu
2010-06-22 17:26 ` [PATCH 05/25] lmb: Prepare to include linux/lmb.h in core file Yinghai Lu
2010-06-22 18:45   ` Sam Ravnborg
2010-06-22 17:26 ` [PATCH 06/25] lmb: Add ARCH_DISCARD_LMB to put lmb code to .init Yinghai Lu
2010-06-22 17:26 ` [PATCH 07/25] lmb: Add lmb_find_in_range() Yinghai Lu
2010-06-22 17:26 ` [PATCH 08/25] x86, lmb: Add lmb_find_in_range_size() Yinghai Lu
2010-06-22 17:26 ` [PATCH 09/25] bootmem, x86: Add weak version of reserve_bootmem_generic Yinghai Lu
2010-06-22 17:26 ` [PATCH 10/25] x86, lmb: Add lmb_to_bootmem() Yinghai Lu
2010-06-29 17:47   ` Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 11/25] x86,lmb: Add lmb_reserve_range/lmb_free_range Yinghai Lu
2010-06-29 17:52   ` Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 12/25] x86, lmb: Add get_free_all_memory_range() Yinghai Lu
2010-06-29 17:56   ` Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 13/25] x86, lmb: Add lmb_register_active_regions() and lmb_hole_size() Yinghai Lu
2010-06-22 17:26 ` [PATCH 14/25] lmb: Add find_memory_core_early() Yinghai Lu
2010-06-22 17:26 ` [PATCH 15/25] x86, lmb: Add lmb_find_in_range_node() Yinghai Lu
2010-06-22 17:26 ` [PATCH 16/25] x86, lmb: Add lmb_free_memory_in_range() Yinghai Lu
2010-06-22 17:26 ` [PATCH 17/25] x86, lmb: Add lmb_memory_in_range() Yinghai Lu
2010-06-22 17:26 ` [PATCH 18/25] x86, lmb: Use lmb_debug to control debug message print out Yinghai Lu
2010-06-29 17:58   ` Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 19/25] x86: Use lmb to replace early_res Yinghai Lu
2010-06-22 17:26 ` [PATCH 20/25] x86: Replace e820_/_early string with lmb_ Yinghai Lu
2010-06-22 17:26 ` [PATCH 21/25] x86: Remove not used early_res code Yinghai Lu
2010-06-22 17:26 ` [PATCH 22/25] x86, lmb: Use lmb_memory_size()/lmb_free_memory_size() to get correct dma_reserve Yinghai Lu
2010-06-22 17:26 ` Yinghai Lu [this message]
2010-06-29 18:02   ` [PATCH 23/25] x86: Have nobootmem version setup_bootmem_allocator() Bjorn Helgaas
2010-06-22 17:26 ` [PATCH 24/25] x86: Put 64 bit numa node memmap above 16M Yinghai Lu
2010-06-22 17:26 ` [PATCH 25/25] swiotlb: Use page alignment for early buffer allocation Yinghai Lu
2010-06-29 18:06 ` [PATCH -v19 00/25] Use lmb with x86 Bjorn Helgaas

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