Resend with proper subject. (old subject was "do not count pages in
holes with sparsemem"
With sparsemem, pfn should be checked by pfn_valid() before pfn_to_page().
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c
index 792c6eb..c93aa6c 100644
--- a/arch/mips/mm/pgtable.c
+++ b/arch/mips/mm/pgtable.c
@@ -15,6 +15,8 @@ #ifndef CONFIG_NEED_MULTIPLE_NODES /* X
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
pfn = max_mapnr;
while (pfn-- > 0) {
+ if (!pfn_valid(pfn))
+ continue;
page = pfn_to_page(pfn);
total++;
if (PageHighMem(page))
