[PATCH] Fix potential SPARSEMEM bug
From: Atsushi Nemoto <hidden>
Date: 2007-03-20 15:57:49
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
The first pfn of zones should be min_low_pfn, not 0. Signed-off-by: Atsushi Nemoto <redacted> ---
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index f08ae71..25abe91 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c@@ -377,7 +377,7 @@ void __init paging_init(void) #ifdef CONFIG_FLATMEM free_area_init(zones_size); #else - pfn = 0; + pfn = min_low_pfn; for (i = 0; i < MAX_NR_ZONES; i++) for (j = 0; j < zones_size[i]; j++, pfn++) if (!page_is_ram(pfn))