[Makedumpfile Patch v2 0/7] Fix --mem-usage /proc/kcore
Pratyush Anand
panand at redhat.com
Tue Feb 28 07:05:32 PST 2017
On Tuesday 28 February 2017 11:22 AM, Pratyush Anand wrote:
> `makedumpfile --mem-usage /proc/kcore` has been broken after kaslr specific
> modifications. A kernel patch has been ACKed by Andrew Morton and has been
> sent to Linus now [0]. This kernel patch helps to fix the issue for both
> the case of kaslr enabled and disabled.
>
> [0] http://marc.info/?l=linux-mm-commits&m=148823497215968&w=2
Just FYI,patch is in upstream now.
commit 464920104bf7adac12722035bfefb3d772eb04d8
Author: Pratyush Anand <panand at redhat.com>
Date: Mon Feb 27 14:27:31 2017 -0800
/proc/kcore: update physical address for kcore ram and text
>
> Changes since v1:
> - One more patch..Now mem-usage with older kernel (< 4.11) will only work
> when that has been rightly patched and -f has been used in makedumpfile
> command line.
>
> Baoquan He (2):
> makedumpfile: Correct the calculation of kvaddr in
> set_kcore_vmcoreinfo
> makedumpfile: Discard process_dump_load
>
> Pratyush Anand (5):
> show_mem_usage(): calculate page offset after elf load
> initial(): call cach_init() a bit early
> x86_64: check physical address in PT_LOAD for none direct mapped
> regions
> elf_info: kcore: check for invalid physical address
> mem-usage: allow to work only with -f for kernel version < 4.11
>
> arch/x86_64.c | 6 ++++--
> elf_info.c | 25 +++++--------------------
> makedumpfile.c | 18 ++++++++++++------
> 3 files changed, 21 insertions(+), 28 deletions(-)
>
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