Re: [PATCH] core: Add info about DAX coredump filtering flags

["Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Hello Ross,

On 11/11/2015 07:03 PM, Ross Zwisler wrote:
> Kernel 4.4 added two new core dump filtering flags, MMF_DUMP_DAX_PRIVATE
> and MMF_DUMP_DAX_SHARED.
> 
> These flags allow us to explicitly filter DAX mappings.  This is desirable
> because DAX mappings, like hugetlb mappings, have the potential to be very
> large.
> 
> Signed-off-by: Ross Zwisler <ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
> ---
> 
> The patches adding these flags have been merged for v4.4, but we're
> currently still very early in the v4.4 release cycle.  I'm not sure if it's
> correct to apply this documentation patch now, or if you'd rather wait
> until v4.4 is actually released.

Well, we're at -rc3 now, so I feel reasonably okay with this. I've applied.
Thanks for the patch.

Cheers,

Michael

> ---
>  man5/core.5 | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/man5/core.5 b/man5/core.5
> index fc7f927..b8a8182 100644
> --- a/man5/core.5
> +++ b/man5/core.5
> @@ -288,6 +288,12 @@ Dump private huge pages.
>  .TP
>  bit 6 (since Linux 2.6.28)
>  Dump shared huge pages.
> +.TP
> +bit 7 (since Linux 4.4)
> +Dump private DAX pages.
> +.TP
> +bit 8 (since Linux 4.4)
> +Dump shared DAX pages.
>  .RE
>  .PD
>  .PP
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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