diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/kernel/crash_dump.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/kernel/crash_dump.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/ANDROID_3.4.5/arch/arm/kernel/crash_dump.c b/ANDROID_3.4.5/arch/arm/kernel/crash_dump.c deleted file mode 100644 index 90c50d4b..00000000 --- a/ANDROID_3.4.5/arch/arm/kernel/crash_dump.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * arch/arm/kernel/crash_dump.c - * - * Copyright (C) 2010 Nokia Corporation. - * Author: Mika Westerberg - * - * This code is taken from arch/x86/kernel/crash_dump_64.c - * Created by: Hariprasad Nellitheertha (hari@in.ibm.com) - * Copyright (C) IBM Corporation, 2004. All rights reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/errno.h> -#include <linux/crash_dump.h> -#include <linux/uaccess.h> -#include <linux/io.h> - -/** - * copy_oldmem_page() - copy one page from old kernel memory - * @pfn: page frame number to be copied - * @buf: buffer where the copied page is placed - * @csize: number of bytes to copy - * @offset: offset in bytes into the page - * @userbuf: if set, @buf is int he user address space - * - * This function copies one page from old kernel memory into buffer pointed by - * @buf. If @buf is in userspace, set @userbuf to %1. Returns number of bytes - * copied or negative error in case of failure. - */ -ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - size_t csize, unsigned long offset, - int userbuf) -{ - void *vaddr; - - if (!csize) - return 0; - - vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); - if (!vaddr) - return -ENOMEM; - - if (userbuf) { - if (copy_to_user(buf, vaddr + offset, csize)) { - iounmap(vaddr); - return -EFAULT; - } - } else { - memcpy(buf, vaddr + offset, csize); - } - - iounmap(vaddr); - return csize; -} |