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| author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
| commit | 0ccd8c39bc664bf5e9fcc26caad50cc17ff866d1 (patch) | |
| tree | 29cec0edf3acf18c6978b750a8d6560f445df6df /mm/page_alloc.c | |
| parent | 1625324d22409e32e3f8eb86018cad72e1c09d61 (diff) | |
| parent | ec0c15afb41fd9ad45b53468b60db50170e22346 (diff) | |
Merge branch 'linus' into x86/core
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index af982f7cdb2a..e293c58bea58 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -694,6 +694,9 @@ static int move_freepages(struct zone *zone, #endif for (page = start_page; page <= end_page;) { + /* Make sure we are not inadvertently changing nodes */ + VM_BUG_ON(page_to_nid(page) != zone_to_nid(zone)); + if (!pfn_valid_within(page_to_pfn(page))) { page++; continue; @@ -2516,6 +2519,10 @@ static void setup_zone_migrate_reserve(struct zone *zone) continue; page = pfn_to_page(pfn); + /* Watch out for overlapping nodes */ + if (page_to_nid(page) != zone_to_nid(zone)) + continue; + /* Blocks with reserved pages will never free, skip them. */ if (PageReserved(page)) continue; @@ -4064,7 +4071,7 @@ void __init set_dma_reserve(unsigned long new_dma_reserve) } #ifndef CONFIG_NEED_MULTIPLE_NODES -struct pglist_data contig_page_data = { .bdata = &bootmem_node_data[0] }; +struct pglist_data __refdata contig_page_data = { .bdata = &bootmem_node_data[0] }; EXPORT_SYMBOL(contig_page_data); #endif |