Pratyush, the patches works for me, thanks~ On 10/31/16 at 01:47pm, Pratyush Anand wrote: > Patch 1/4 fixes page_offset calculation, so that it is correctly calculated > on KASLR enabled kernel as well. > Patch 2/4 simplifies VA to PA translation. New code has been benchmarked > against old code on a 4T system. > Patch 3/4 and 4/4 is removal of (now) unnecessary code. > > I think, we should find a way to kill find_vememmap() as well, so that > VMEMMAP_START can be removed. I have very limited idea about x86, so unable > to do that as of now. It was introduced in below commit, ccing Cliff Wickman, see if he has thoughts. commit 46176a97f329904c10d4efe5582594d55a04339c Author: Cliff Wickman <cpw at sgi.com> Date: Mon Oct 26 23:20:18 2015 +0900 > > Changes since V1: > * A bug in patch 1/4 fixed > * Patch log of 2/4 improved to include more number of trials > > Pratyush Anand (4): > x86_64: Calculate page_offset from pt_load > x86_64: translate all VA to PA using page table values > x86_64: kill is_vmalloc_addr_x86_64() > x86_64: kill some unused initialization > > arch/x86_64.c | 84 ++++++++++++++++++++-------------------------------------- > makedumpfile.h | 9 +++---- > 2 files changed, 32 insertions(+), 61 deletions(-) > > -- > 2.7.4 > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec
