From: Yinghai Lu <yhlu.kernel@gmail.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jeremy Fitzhardinge <jeremy@goop.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86: extend e820 early_res support 32bit -fix #4
Date: Thu, 29 May 2008 12:57:22 -0700 [thread overview]
Message-ID: <200805291257.22456.yhlu.kernel@gmail.com> (raw)
In-Reply-To: <200805251000.10205.yhlu.kernel@gmail.com>
reserve_early pgdata for 32bit numa
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Index: linux-2.6/arch/x86/mm/discontig_32.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/discontig_32.c
+++ linux-2.6/arch/x86/mm/discontig_32.c
@@ -159,8 +159,13 @@ static void __init allocate_pgdat(int ni
if (nid && node_has_online_mem(nid) && node_remap_start_vaddr[nid])
NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
else {
- NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(min_low_pfn));
- min_low_pfn += PFN_UP(sizeof(pg_data_t));
+ unsigned long pgdat_phys;
+ pgdat_phys = find_e820_area(min_low_pfn<<PAGE_SHIFT,
+ max_low_pfn<<PAGE_SHIFT, sizeof(pg_data_t),
+ PAGE_SIZE);
+ NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(pgdat_phys>>PAGE_SHIFT));
+ reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t),
+ "NODE_DATA");
}
}
next prev parent reply other threads:[~2008-05-29 19:59 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-11 7:30 [PATCH] x86: make e820.c to have common functions Yinghai Lu
2008-05-13 13:05 ` Ingo Molnar
2008-05-13 17:35 ` Yinghai Lu
2008-05-18 8:18 ` [PATCH] x86: extend e820 ealy_res support 32bit Yinghai Lu
2008-05-21 3:10 ` [PATCH] x86: move e820_mark_nosave_regions to e820.c Yinghai Lu
2008-05-22 1:40 ` [PATCH] x86: extend e820 ealy_res support 32bit - fix Yinghai Lu
2008-05-22 10:12 ` Jeremy Fitzhardinge
2008-05-22 17:58 ` Yinghai Lu
2008-05-22 22:20 ` [PATCH] x86: extend e820 ealy_res support 32bit - fix v2 Yinghai Lu
2008-05-23 23:08 ` Yinghai Lu
2008-05-23 23:32 ` Jeremy Fitzhardinge
2008-05-23 23:38 ` Jeremy Fitzhardinge
2008-05-24 0:01 ` Yinghai Lu
2008-05-24 0:09 ` Yinghai Lu
2008-05-24 8:54 ` Jeremy Fitzhardinge
2008-05-24 9:49 ` [PATCH] xen: boot via i386_start_kernel to get early reservations Jeremy Fitzhardinge
2008-05-24 22:04 ` Yinghai Lu
2008-05-24 19:57 ` [PATCH] x86: extend e820 ealy_res support 32bit - fix v2 Yinghai Lu
2008-05-25 17:00 ` [PATCH] x86: extend e820 ealy_res support 32bit - fix #2 Yinghai Lu
2008-05-27 15:44 ` Thomas Gleixner
2008-05-27 20:37 ` Jeremy Fitzhardinge
2008-05-27 20:58 ` Thomas Gleixner
2008-05-27 21:06 ` Jeremy Fitzhardinge
2008-05-27 21:06 ` Yinghai Lu
2008-05-27 21:22 ` Jeremy Fitzhardinge
2008-05-27 21:35 ` Yinghai Lu
2008-05-27 21:47 ` Jeremy Fitzhardinge
2008-05-27 22:52 ` Yinghai Lu
2008-05-28 10:01 ` Jeremy Fitzhardinge
2008-05-28 20:48 ` Yinghai Lu
2008-05-28 21:24 ` Jeremy Fitzhardinge
2008-05-29 13:37 ` Jeremy Fitzhardinge
2008-05-29 18:41 ` Yinghai Lu
2008-05-29 18:58 ` H. Peter Anvin
2008-05-29 18:52 ` Yinghai Lu
2008-05-29 19:14 ` Yinghai Lu
2008-05-30 15:50 ` Jeremy Fitzhardinge
2008-05-29 19:56 ` [PATCH] x86: extend e820 early_res support 32bit -fix #3 Yinghai Lu
2008-05-29 19:57 ` Yinghai Lu [this message]
2008-05-29 19:58 ` [PATCH] x86: extend e820 early_res support 32bit -fix #5 Yinghai Lu
2008-05-29 23:25 ` [PATCH] x86: 32bit numa srat fix early_ioremap leak Yinghai Lu
2008-05-31 8:01 ` Ingo Molnar
2008-06-01 5:51 ` [PATCH] x86: 32bit numa increase max_elements to 1024 Yinghai Lu
2008-06-01 5:52 ` [PATCH] x86: change propagate_e820_map back to find_max_pfn -32bit Yinghai Lu
2008-06-01 5:53 ` [PATCH] x86: set node_remap_size[0] in fallback path Yinghai Lu
2008-06-01 5:56 ` [PATCH] x86: numa_32 print out debug info all kva Yinghai Lu
2008-06-01 20:15 ` [PATCH] x86: numa_32 print out debug info all kva v2 Yinghai Lu
2008-06-03 2:16 ` [PATCH] x86: change propagate_e820_map back to find_max_pfn -32bit -v2 Yinghai Lu
2008-06-02 4:06 ` [PATCH] x86: numa_32 avoid clash between ramdisk and kva Yinghai Lu
2008-06-02 6:53 ` [PATCH] x86: cleanup max_pfn_mapped usage - 32bit Yinghai Lu
2008-06-02 6:55 ` [PATCH] x86: cleanup max_pfn_mapped usage - 64bit Yinghai Lu
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