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| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
| commit | c973b112c76c9d8fd042991128f218a738cc8d0a (patch) | |
| tree | e813b0da5d0a0e19e06de6462d145a29ad683026 /kernel/crash_dump.c | |
| parent | c5fbc3966f48279dbebfde10248c977014aa9988 (diff) | |
| parent | 00dd1e433967872f3997a45d5adf35056fdf2f56 (diff) | |
| download | talos-op-linux-c973b112c76c9d8fd042991128f218a738cc8d0a.tar.gz talos-op-linux-c973b112c76c9d8fd042991128f218a738cc8d0a.zip | |
Merge with /shiny/git/linux-2.6/.git
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 459ba49e376a..334c37f5218a 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. */ |
