[PATCH 1/2] mmap: decode MAP_UNINITIALIZE

Dmitry V. Levin ldv at altlinux.org
Tue Jan 22 09:35:21 UTC 2013


On Tue, Jan 22, 2013 at 10:16:42AM +0100, Bernhard Reutner-Fischer wrote:
> On 21 January 2013 15:23, Dmitry V. Levin <ldv at altlinux.org> wrote:
> > On Mon, Jan 21, 2013 at 02:36:55PM +0100, Bernhard Reutner-Fischer wrote:
> >> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
> >> ---
> >>  mem.c |    3 +++
> >>  1 file changed, 3 insertions(+)
> >>
> >> diff --git a/mem.c b/mem.c
> >> index 0279030..53fcf85 100644
> >> --- a/mem.c
> >> +++ b/mem.c
> >> @@ -159,6 +159,9 @@ static const struct xlat mmap_flags[] = {
> >>  #ifdef MAP_STACK
> >>       { MAP_STACK,    "MAP_STACK"     },
> >>  #endif
> >> +#ifdef MAP_UNINITIALIZE
> >> +     { MAP_UNINITIALIZE,"MAP_UNINITIALIZE"},
> >> +#endif
> >>  #ifdef MAP_NOSYNC
> >>       { MAP_NOSYNC,   "MAP_NOSYNC"    },
> >>  #endif
> >
> > You mean MAP_UNINITIALIZED?
> 
> ugh, it seems that the name changed mid-flight :(
> So yes, i mean MAP_UNINITIALIZED, i will change uClibc to add the 'D'.

OK, is there a chance to get MAP_UNINITIALIZED defined to 0?
If yes, then there needs to be a check for that case, e.g.
#if MAP_UNINITIALIZED > 0


-- 
ldv
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