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| author | Vivek Goyal <vgoyal@in.ibm.com> | 2005-06-25 14:58:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-25 16:24:53 -0700 |
| commit | 60e64d46a58236e3c718074372cab6a5b56a3b15 (patch) | |
| tree | 194e5fa7a53a1ac4a106b1527ec69cf3c2179bb0 /include/linux/highmem.h | |
| parent | 5f016456c96868c27df248a54d1cc919e7b70a23 (diff) | |
| download | linux-60e64d46a58236e3c718074372cab6a5b56a3b15.tar.gz linux-60e64d46a58236e3c718074372cab6a5b56a3b15.tar.bz2 linux-60e64d46a58236e3c718074372cab6a5b56a3b15.zip | |
[PATCH] kdump: Routines for copying dump pages
This patch provides the interfaces necessary to read the dump contents,
treating it as a high memory device.
Signed off by Hariprasad Nellitheertha <hari@in.ibm.com>
Signed-off-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/highmem.h')
| -rw-r--r-- | include/linux/highmem.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 2a7e6c65c882..6bece9280eb7 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -28,6 +28,7 @@ static inline void *kmap(struct page *page) #define kmap_atomic(page, idx) page_address(page) #define kunmap_atomic(addr, idx) do { } while (0) +#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) #endif /* CONFIG_HIGHMEM */ |