From 3d364d960d083babeacdd28d42ffdea93930ab16 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 27 Jul 2005 11:45:11 -0700 Subject: [PATCH] --- yaml --- r: 5193 b: refs/heads/master c: e77e17161ccb8bd877bf83b3611cd318e451c605 h: refs/heads/master i: 5191: 932efeaa3a4bfcf58a634519ca578d86171d4dd4 v: v3 --- [refs] | 2 +- trunk/kernel/crash_dump.c | 11 ++++++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index 484b903c2ad3..14c93d87a077 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: d9fd8a6d443b509147280f058d4e59f0b796a323 +refs/heads/master: e77e17161ccb8bd877bf83b3611cd318e451c605 diff --git a/trunk/kernel/crash_dump.c b/trunk/kernel/crash_dump.c index 459ba49e376a..334c37f5218a 100644 --- a/trunk/kernel/crash_dump.c +++ b/trunk/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. */