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SubjectRe: /proc/kcore has a unreasonable size(281474974617600) in x86_64 2.6.30-rc8.
On Fri, 05 Jun 2009 12:03:52 +0800 Tao Ma <tao.ma@oracle.com> wrote:

> Hi list,
> In 2.6.30-rc8, /proc/kcore in x86_64's size is unreasonable large
> to be 281474974617600.
> While in a x86 box, it is 931131392 which looks sane.
>
> [root@test8 ~]# ll /proc/kcore
> -r-------- 1 root root 281474974617600 Jun 5 11:15 /proc/kcore
>
> [root@ocfs2-test9 ~]$ ll /proc/kcore
> -r-------- 1 root root 931131392 Jun 5 11:58 /proc/kcore
>
> I just noticed this when kexec fails in "Can't find kernel text map area
> from kcore".
>
> Is there something wrong?
>

fs/proc/kcore.c hasn't changed since October last year. Was 2.6.29 OK?
Earlier kernels?

Thanks.


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