2008-01-29 19:41:48

by Yinghai Lu

Subject: [PATCH 1/4] print out node_data addr and bootmap_start addr

[PATCH 1/4] print out node_data addr and bootmap_start addr

Signed-off-by: Yinghai Lu <[email protected]>

Index: linux-2.6/arch/x86/mm/numa_64.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/numa_64.c
+++ linux-2.6/arch/x86/mm/numa_64.c
@@ -202,6 +202,8 @@ void __init setup_node_bootmem(int nodei
if (node_data[nodeid] == NULL)
return;
nodedata_phys = __pa(node_data[nodeid]);
+ printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
+ nodedata_phys + pgdat_size - 1);

memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->bdata = &plat_node_bdata[nodeid];
@@ -221,12 +223,15 @@ void __init setup_node_bootmem(int nodei
return;
}
bootmap_start = __pa(bootmap);
- Dprintk("bootmap start %lu pages %lu\n", bootmap_start, bootmap_pages);

bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
bootmap_start >> PAGE_SHIFT,
start_pfn, end_pfn);

+ printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n",
+ bootmap_start, bootmap_start + bootmap_size - 1,
+ bootmap_pages);
+
free_bootmem_with_active_regions(nodeid, end);

reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size);

2008-01-31 13:09:47

by Ingo Molnar

Subject: Re: [PATCH 1/4] print out node_data addr and bootmap_start addr

* Yinghai Lu <[email protected]> wrote:

> [PATCH 1/4] print out node_data addr and bootmap_start addr

thanks, applied.

> nodedata_phys = __pa(node_data[nodeid]);
> + printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
> + nodedata_phys + pgdat_size - 1);

> + printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n",
> + bootmap_start, bootmap_start + bootmap_size - 1,
> + bootmap_pages);

did this help you find the bootmap alignment bug crash?

Ingo

2008-01-31 18:36:33

by Yinghai Lu

Subject: Re: [PATCH 1/4] print out node_data addr and bootmap_start addr

On Thursday 31 January 2008 05:09:19 am Ingo Molnar wrote:
>
> * Yinghai Lu <[email protected]> wrote:
>
> > [PATCH 1/4] print out node_data addr and bootmap_start addr
>
> thanks, applied.
>
> > nodedata_phys = __pa(node_data[nodeid]);
> > + printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
> > + nodedata_phys + pgdat_size - 1);
>
> > + printk(KERN_INFO " bootmap [%016lx - %016lx] pages %lx\n",
> > + bootmap_start, bootmap_start + bootmap_size - 1,
> > + bootmap_pages);
>
> did this help you find the bootmap alignment bug crash?

yes.

YH