From: Cliff Wickman
This patch provides the kernel support for makedumpfile to request
a list of PFNs.
Accompanies
[PATCH v2] makedumpfile: request the kernel do page scans
---
fs/proc/vmcore.c | 570 +++
include/linux/makedumpfile.h |
Accompanies [PATCH] makedumpfile: request the kernel do page scans
This patch moves the scanning of page tables into the kernel.
The makedumpfile command makes requests by writes to /proc/vmcore_pfn_lists
and this code writes a list of PFN's back to it.
This is experimental code. It is tested