[PATCH 39/39] x86: have nobootmem version setup_bootmem_allocator()

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
From: Yinghai Lu
Date: Thursday, April 8, 2010 - 11:04 pm

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 c01c711..dfdd035 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 == -1L)
 		panic("Cannot find bootmem map of size %ld\n", bootmap_size);
 	lmb_reserve_area(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

--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[PATCH -v12 00/39] use lmb with x86, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 02/39] x86: Add sanitize_e820_map(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 03/39] x86: Align e820 ram range to page, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 04/39] lmb: Move lmb.c to mm/, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 07/39] lmb: Add lmb_find_area(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 10/39] lmb: Add lmb_to_bootmem(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 11/39] lmb: Add get_free_all_memory_range(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 14/39] lmb: Add find_memory_core_early(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 22/39] x86, lmb: Add lmb_find_area_size(), Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 24/39] x86: Use lmb to replace early_res, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 27/39] x86, lmb: turn off ARCH_LMB_FIND_AREA, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 28/39] x86: Remove not used early_res code, Yinghai Lu, (Thu Apr 8, 11:03 pm)
[PATCH 32/39] x86: Add get_centaur_ram_top(), Yinghai Lu, (Thu Apr 8, 11:04 pm)
[PATCH 35/39] x86: make e820 to be __initdata, Yinghai Lu, (Thu Apr 8, 11:04 pm)
[PATCH 39/39] x86: have nobootmem version setup_bootmem_al ..., Yinghai Lu, (Thu Apr 8, 11:04 pm)
Re: [PATCH -v12 00/39] use lmb with x86, Benjamin Herrenschmidt, (Mon Apr 12, 8:41 pm)
Re: [PATCH 04/39] lmb: Move lmb.c to mm/, Benjamin Herrenschmidt, (Mon Apr 12, 8:52 pm)
Re: [PATCH 05/39] lmb: Seperate region array from lmb_regi ..., Benjamin Herrenschmidt, (Mon Apr 12, 8:56 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), Benjamin Herrenschmidt, (Mon Apr 12, 9:05 pm)
Re: [PATCH 08/39] lmb: Add lmb_reserve_area/lmb_free_area, Benjamin Herrenschmidt, (Mon Apr 12, 9:15 pm)
Re: [PATCH 26/39] nobootmem: use lmb.default_alloc_limit i ..., Benjamin Herrenschmidt, (Mon Apr 12, 9:23 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), Yinghai, (Mon Apr 12, 9:29 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), Benjamin Herrenschmidt, (Mon Apr 12, 10:07 pm)
Re: [PATCH 26/39] nobootmem: use lmb.default_alloc_limit i ..., Benjamin Herrenschmidt, (Mon Apr 12, 10:13 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), Yinghai, (Mon Apr 12, 10:26 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), H. Peter Anvin, (Mon Apr 12, 10:46 pm)
Re: [PATCH 07/39] lmb: Add lmb_find_area(), Benjamin Herrenschmidt, (Tue Apr 13, 3:15 am)