On Fri, 2007-09-21 at 10:43 +0200, Stefan Rompf wrote: > Am Donnerstag, 20. September 2007 07:34 schrieb Huang, Ying: > > > The hibernation procedure with the patch set is as follow: > > > > 1. Boot a kernel A > > > > 2. Work under kernel A > > > > 3. Kexec another kernel B (crash dump enabled) in kernel A. > > From a short glance over current Linus' arch/i386/kernel/machine_kexec.c, > memory for the crash dump kernel B still needs to be reserved statically when > booting A. > > This is one of the biggest issues with kexec based hibernation. For the > typical notebook user, it is totally unacceptable to reserve 16 megabytes of > memory just to be able to suspend to disk. And given the fact that current > distribution kernels are quite modular and require early module loading, even > more memory might be needed. > > IMHO, a plan how to fix this must exist or the concept of kexec based > hibernation is a waste of time. This issue has been resolved. The implementation method details in another mail with title as follow: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump Best Regards, Huang Ying _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
