[lkml]   [2008]   [Sep]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] coredump_filter: add hugepage core dumping

    > That aside, it is not always safe to read a VM_RESERVED area without
    > side-effects.
    > > This patch doesn't change dafault behavior.
    > >
    > I wonder about this and if that is the right thing to do. By default,
    > core dumps include anonymous private and shared memory. Strictly speaking,
    > hugetlbfs is a file-backed mapping but it is always a ram-based file and a
    > private mapping is likely to contain information that would normally be in
    > a private anonymous mapping. It feels like that information should be core
    > dumped by default. Would it be better to
    > 1. Distinguish between private and shared hugetlbfs mappings
    > 2. Default dump MAP_PRIVATE hugetlbfs mappings
    > ?

    make much sense.
    ok, I'll make again under your design.

    Thank you very much.

     \ /
      Last update: 2008-09-05 10:15    [W:0.025 / U:205.560 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site