diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-11-23 02:55:47 -0500 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-23 02:55:47 -0500 |
commit | ca9eed76133c00e7f4b1eeb4c1a6cb800cd2654c (patch) | |
tree | 5f011f4bd00c921e41605b1915c227aeaf411a0d /arch/sh/mm/mmap.c | |
parent | 8652cb4b0d87accbe78725fd2a13be2787059649 (diff) | |
parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) |
Merge commit 'v2.6.28-rc6' into x86/debug
Diffstat (limited to 'arch/sh/mm/mmap.c')
-rw-r--r-- | arch/sh/mm/mmap.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c new file mode 100644 index 000000000000..8837d511710a --- /dev/null +++ b/arch/sh/mm/mmap.c | |||
@@ -0,0 +1,31 @@ | |||
1 | /* | ||
2 | * arch/sh/mm/mmap.c | ||
3 | * | ||
4 | * Copyright (C) 2008 Paul Mundt | ||
5 | * | ||
6 | * This file is subject to the terms and conditions of the GNU General Public | ||
7 | * License. See the file "COPYING" in the main directory of this archive | ||
8 | * for more details. | ||
9 | */ | ||
10 | #include <linux/io.h> | ||
11 | #include <linux/mm.h> | ||
12 | #include <asm/page.h> | ||
13 | |||
14 | /* | ||
15 | * You really shouldn't be using read() or write() on /dev/mem. This | ||
16 | * might go away in the future. | ||
17 | */ | ||
18 | int valid_phys_addr_range(unsigned long addr, size_t count) | ||
19 | { | ||
20 | if (addr < __MEMORY_START) | ||
21 | return 0; | ||
22 | if (addr + count > __pa(high_memory)) | ||
23 | return 0; | ||
24 | |||
25 | return 1; | ||
26 | } | ||
27 | |||
28 | int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) | ||
29 | { | ||
30 | return 1; | ||
31 | } | ||