Re: [PATCH v7] mremap.2: Add information for MREMAP_DONTUNMAP.

[Brian Geffon]

Yes, you're correct that is poorly worded. I'll send an updated
manpage closer to the release of this in case anything else changes.
Thanks for taking a look.

Brian

On Tue, Feb 25, 2020 at 5:51 AM Vlastimil Babka <vbabka@xxxxxxx> wrote:
>
> On 2/21/20 6:42 PM, Brian Geffon wrote:
> > @@ -209,10 +227,20 @@ flag was not specified.
> >  .RE
> >  .TP
> >  .B ENOMEM
> > +Not enough memory was available to complete the operation.
> > +Possible causes are:
> > +.RS
> > +.IP * 3
> >  The memory area cannot be expanded at the current virtual address, and the
> >  .B MREMAP_MAYMOVE
> >  flag is not set in \fIflags\fP.
> >  Or, there is not enough (virtual) memory available.
> > +.IP *
> > +.B MREMAP_DONTUNMAP
> > +was used without
> > +.B MREMAP_FIXED
> > +causing a new mapping to be created that would exceed the virtual memory available or it would exceed the maximum number of allowed mappings.
>
> So this can also result with MREMAP_FIXED, no?
>
> > +.RE
> >  .SH CONFORMING TO
> >  This call is Linux-specific, and should not be used in programs
> >  intended to be portable.
> >
>