On 11/13/2012 11:36 AM, Baoquan wrote: > Hi, > > I have tested ppc64 part of this patchset, and it works. > Do you plan to merge this patchset? > Sorry, above question should go to Simon. > On 10/24/2012 11:18 AM, Mahesh Jagannath Salgaonkar wrote: >> On 08/29/2012 01:54 PM, Mahesh J Salgaonkar wrote: >>> So far powerpc kernel never exported memory limit information which is >>> reflected by mem= kernel cmdline option. Hence, kexec-tools always use >>> to build ELF header for entire system RAM generating a dump bigger than >>> the actual memory used by the first kernel. >>> >>> The proposed upstream kernel patch at >>> https://lists.ozlabs.org/pipermail/linuxppc-dev/2012-August/100500.html >>> now exports memory limit information through /proc/device-tree file. >>> The above patch is still in discussion. >> The above mentioned kernel patches are now upstream. Below are commit >> ids: >> 4bc77a5e - powerpc: Export memory limit via device tree >> a84fcd468 - powerpc: Change memory_limit from phys_addr_t to unsigned >> long long >> >>> This patch series now reads the memory limit information from >>> device-tree file if present and limits the crash memory ranges >>> accordingly. >>> >>> Tested these patches on ppc32(ppc440) and ppc64 with a kernel patch >>> by Suzuki. >>> >>> Signed-off-by: Mahesh Salgaonkar<mahesh at linux.vnet.ibm.com> >>> Tested-by: Suzuki K. Poulose<suzuki at in.ibm.com> >>> >>> --- >>> >>> Mahesh Salgaonkar (2): >>> kexec: Respect memory limit while building crash memory >>> ranges on ppc32. >>> kexec: Respect memory limit while building crash memory >>> ranges on ppc64 >>> >>> >>> kexec/arch/ppc/crashdump-powerpc.c | 14 ++++++++--- >>> kexec/arch/ppc/crashdump-powerpc.h | 1 + >>> kexec/arch/ppc/kexec-ppc.c | 48 >>> ++++++++++++++++++++++++++++++++++++ >>> kexec/arch/ppc64/crashdump-ppc64.c | 11 ++++++++ >>> kexec/arch/ppc64/crashdump-ppc64.h | 1 + >>> kexec/arch/ppc64/kexec-ppc64.c | 28 +++++++++++++++++++++ >>> 6 files changed, 99 insertions(+), 4 deletions(-) >>> >> >> _______________________________________________ >> kexec mailing list >> kexec at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/kexec > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec
