diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
commit | a2e30e529a48ef4e106e405f91cf4ae525bb01c4 (patch) | |
tree | 2def96ef17c0672c30f1a10287552978bf1d0b1c /kernel/crash_dump.c | |
parent | edb3366703224d5d8df573ae698ccd6b488dc743 (diff) | |
parent | 2ad56496627630ebc99f06af5f81ca23e17e014e (diff) |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'kernel/crash_dump.c')
-rw-r--r-- | kernel/crash_dump.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c index 459ba49e376..334c37f5218 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. */ |