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. > Zhang Yanfei (4): > kexec-tools: mips: Remove saved_max_mem > kexec-tools: ppc: Remove saved_max_mem > kexec-tools: ppc64: Remove saved_max_mem > kexec-tools: sh: Remove saved_max_mem > > kexec/arch/mips/crashdump-mips.c | 34 ---------------------------------- > kexec/arch/ppc/crashdump-powerpc.c | 19 ------------------- > kexec/arch/ppc64/crashdump-ppc64.c | 19 ------------------- > kexec/arch/sh/crashdump-sh.c | 6 ------ > 4 files changed, 0 insertions(+), 78 deletions(-)
