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-rw-r--r--arch/x86/mm/ioremap.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 334e63ca7b2b..30e068d6462e 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -29,22 +29,6 @@ int page_is_ram(unsigned long pagenr)
29 resource_size_t addr, end; 29 resource_size_t addr, end;
30 int i; 30 int i;
31 31
32 /*
33 * A special case is the first 4Kb of memory;
34 * This is a BIOS owned area, not kernel ram, but generally
35 * not listed as such in the E820 table.
36 */
37 if (pagenr == 0)
38 return 0;
39
40 /*
41 * Second special case: Some BIOSen report the PC BIOS
42 * area (640->1Mb) as ram even though it is not.
43 */
44 if (pagenr >= (BIOS_BEGIN >> PAGE_SHIFT) &&
45 pagenr < (BIOS_END >> PAGE_SHIFT))
46 return 0;
47
48 for (i = 0; i < e820.nr_map; i++) { 32 for (i = 0; i < e820.nr_map; i++) {
49 /* 33 /*
50 * Not usable memory: 34 * Not usable memory: