On Tue, May 28, 2013 at 03:35:23PM -0700, Eric W. Biederman wrote: > Zhang Yanfei <zhangyanfei.yes at gmail.com> writes: > > > When loading the dump-capture kernel, in some architectures(mips/ppc/ppc64), > > we should add the parameter "savemaxmem=" in the dump-capture kernel > > commandline to tell the new kernel the amount of memory that the previous > > kernel used. > > > > Then in the dump-capture kernel, we parse this parameter and assign the > > value to saved_max_pfn. In these architectures, the only user of > > saved_max_pfn is the read interface read_oldmem for /dev/oldmem. > > > > But, no one actually uses the /dev/oldmem interface. And we have decided > > to remove the /dev/oldmem interface. A kernel side patch to remove this > > interface have been sent. See https://lkml.org/lkml/2013/5/24/451. > > > > So in kexec-tools, we don't need to pass this parameter anymore. This > > patchset aims to remove the related variables and funtions in > > kexec-tools. > > To this series. > > Acked-by: "Eric W. Biederman" <ebiederm at xmission.com> > > No one cares unless they are actually using /dev/oldmem, and so far > it appears no one actually uses /dev/oldmem so this change looks very > safe. Thanks, all four patches applied.