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These changes are a raw update to a vanilla kernel 4.1.10, with the
[kvmfornfv.git]
/
kernel
/
drivers
/
base
/
node.c
diff --git
a/kernel/drivers/base/node.c
b/kernel/drivers/base/node.c
index
a2aa65b
..
b10479c
100644
(file)
--- a/
kernel/drivers/base/node.c
+++ b/
kernel/drivers/base/node.c
@@
-388,6
+388,16
@@
int register_mem_sect_under_node(struct memory_block *mem_blk, int nid)
for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
int page_nid;
for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
int page_nid;
+ /*
+ * memory block could have several absent sections from start.
+ * skip pfn range from absent section
+ */
+ if (!pfn_present(pfn)) {
+ pfn = round_down(pfn + PAGES_PER_SECTION,
+ PAGES_PER_SECTION) - 1;
+ continue;
+ }
+
page_nid = get_nid_for_pfn(pfn);
if (page_nid < 0)
continue;
page_nid = get_nid_for_pfn(pfn);
if (page_nid < 0)
continue;