crash_dump.c File Reference

#include <linux/errno.h>
#include <linux/crash_dump.h>
#include <linux/uaccess.h>
#include <linux/io.h>

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Functions
ssize_t	copy_oldmem_page (unsigned long pfn, char *buf, size_t csize, unsigned long offset, int userbuf)

Function Documentation

ssize_t copy_oldmem_page	(	unsigned long	pfn,
		char *	buf,
		size_t	csize,
		unsigned long	offset,
		int	userbuf
	)

copy_oldmem_page() - copy one page from old kernel memory : page frame number to be copied : buffer where the copied page is placed : number of bytes to copy : offset in bytes into the page : if set, is int he user address space

This function copies one page from old kernel memory into buffer pointed by . If is in userspace, set to %1. Returns number of bytes copied or negative error in case of failure.

Definition at line 33 of file crash_dump.c.