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Diffstat (limited to 'kernel/drivers/base/node.c')
| -rw-r--r-- | kernel/drivers/base/node.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/drivers/base/node.c b/kernel/drivers/base/node.c index a2aa65b42..b10479c87 100644 --- 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; + /* + * 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; |