Commit f4dee85e authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle

[MIPS] sparsemem: fix crash in show_mem

With sparsemem, pfn should be checked by pfn_valid() before pfn_to_page().
Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent bddc8134
......@@ -15,6 +15,8 @@ void show_mem(void)
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))
......
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