linux-kernel - [PATCH] x86: numa_32 print out debug info all kva v2

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Message-Id: <200806011315.23013.yhlu.kernel@gmail.com>
Date:	Sun, 1 Jun 2008 13:15:22 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: numa_32 print out debug info all kva v2


also fix the print out of node_remap_end_vaddr
v2: fix non numa flat compling

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.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
@@ -168,6 +168,8 @@ static void __init allocate_pgdat(int ni
 		reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t),
 			      "NODE_DATA");
 	}
+	printk(KERN_DEBUG "allocate_pgdat: node %d NODE_DATA %08lx\n",
+		nid, (unsigned long)NODE_DATA(nid));
 }
 
 /*
@@ -205,8 +207,12 @@ void __init remap_numa_kva(void)
 	int node;
 
 	for_each_online_node(node) {
+		printk(KERN_DEBUG "remap_numa_kva: node %d\n", node);
 		for (pfn=0; pfn < node_remap_size[node]; pfn += PTRS_PER_PTE) {
 			vaddr = node_remap_start_vaddr[node]+(pfn<<PAGE_SHIFT);
+			printk(KERN_DEBUG "remap_numa_kva: %08lx to pfn %08lx\n",
+				(unsigned long)vaddr,
+				node_remap_start_pfn[node] + pfn);
 			set_pmd_pfn((ulong) vaddr, 
 				node_remap_start_pfn[node] + pfn, 
 				PAGE_KERNEL_LARGE);
@@ -290,8 +296,7 @@ static void init_remap_allocator(int nid
 
 	printk ("node %d will remap to vaddr %08lx - %08lx\n", nid,
 		(ulong) node_remap_start_vaddr[nid],
-		(ulong) pfn_to_kaddr(highstart_pfn
-		   + node_remap_offset[nid] + node_remap_size[nid]));
+		(ulong) node_remap_end_vaddr[nid]);
 }
 
 extern void setup_bootmem_allocator(void);
Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c
+++ linux-2.6/mm/page_alloc.c
@@ -3499,6 +3499,11 @@ void __paginginit free_area_init_node(in
 	calculate_node_totalpages(pgdat, zones_size, zholes_size);
 
 	alloc_node_mem_map(pgdat);
+#ifdef CONFIG_FLAT_NODE_MEM_MAP
+	printk(KERN_DEBUG "free_area_init_node: node %d, pgdat %08lx, node_mem_map %08lx\n",
+		nid, (unsigned long)pgdat,
+		(unsigned long)pgdat->node_mem_map);
+#endif
 
 	free_area_init_core(pgdat, zones_size, zholes_size);
 }
--
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