This patch updates the node sysfs directory routines that create
links to the memory sections under each node. This update makes
the node code aware that a memory sysfs directory can cover
multiple memory sections.
Signed-off-by: Nathan Fontenot <nf...@austin.ibm.com>
---
drivers/base/node.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
Index: linux-2.6/drivers/base/node.c
===================================================================
--- linux-2.6.orig/drivers/base/node.c 2010-07-09 14:36:53.000000000 -0500
+++ linux-2.6/drivers/base/node.c 2010-07-09 14:38:22.000000000 -0500
@@ -346,8 +346,10 @@
return -EFAULT;
if (!node_online(nid))
return 0;
- sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index);
- sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1;
+
+ sect_start_pfn = section_nr_to_pfn(mem_blk->start_phys_index);
+ sect_end_pfn = section_nr_to_pfn(mem_blk->end_phys_index);
+ sect_end_pfn += PAGES_PER_SECTION - 1;
for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
int page_nid;
@@ -383,8 +385,10 @@
if (!unlinked_nodes)
return -ENOMEM;
nodes_clear(*unlinked_nodes);
- sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index);
- sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1;
+
+ sect_start_pfn = section_nr_to_pfn(mem_blk->start_phys_index);
+ sect_end_pfn = section_nr_to_pfn(mem_blk->end_phys_index);
+ sect_end_pfn += PAGES_PER_SECTION - 1;
for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
int nid;
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