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[PATCH] kdump: Routines for copying dump pages

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This patch provides the interfaces necessary to read the dump contents,
treating it as a high memory device.

Signed off by Hariprasad Nellitheertha <[email protected]>
Signed-off-by: Eric Biederman <[email protected]>
Signed-off-by: Vivek Goyal <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Vivek Goyal 2005-06-25 14:58:19 -07:00 • committed by Linus Torvalds
commit 60e64d46a5
6 changed files with 83 additions and 0 deletions
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1
include/asm-i386/highmem.h
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@ -70,6 +70,7 @@ void *kmap(struct page *page);
void kunmap(struct page *page);
void *kmap_atomic(struct page *page, enum km_type type);
void kunmap_atomic(void *kvaddr, enum km_type type);
void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
struct page *kmap_atomic_to_page(void *ptr);
#define flush_cache_kmaps() do { } while (0)