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authorRandy Dunlap <rdunlap@xenotime.net>2005-07-27 11:45:11 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-27 16:26:06 -0700
commite77e17161ccb8bd877bf83b3611cd318e451c605 (patch)
tree55fb0a366a2f1e3364f0088d5699cbf09b37d29a /kernel
parentd9fd8a6d443b509147280f058d4e59f0b796a323 (diff)
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[PATCH] kernel/crash_dump.c: add kerneldoc
Add kerneldoc to kernel/crash_dump.c Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/crash_dump.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index 459ba49..334c37f 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -18,7 +18,16 @@
/* Stores the physical address of elf header of crash image. */
unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
-/*
+/**
+ * copy_oldmem_page - copy one page from "oldmem"
+ * @pfn: page frame number to be copied
+ * @buf: target memory address for the copy; this can be in kernel address
+ * space or user address space (see @userbuf)
+ * @csize: number of bytes to copy
+ * @offset: offset in bytes into the page (based on pfn) to begin the copy
+ * @userbuf: if set, @buf is in user address space, use copy_to_user(),
+ * otherwise @buf is in kernel address space, use memcpy().
+ *
* Copy a page from "oldmem". For this page, there is no pte mapped
* in the current kernel. We stitch up a pte, similar to kmap_atomic.
*/