Re: [Xen-devel] [PATCH v3] xen-mapcache: use MAP_FIXED flag so the mmap address hint is always honored

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Mon, Mar 18, 2019 at 06:37:31PM +0100, Roger Pau Monne wrote:
> Or if it's not possible to honor the hinted address an error is returned
> instead. This makes it easier to spot the actual failure, instead of
> failing later on when the caller of xen_remap_bucket realizes the
> mapping has not been created at the requested address.
> 
> Also note that at least on FreeBSD using MAP_FIXED will cause mmap to
> try harder to honor the passed address.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

-- 
Anthony PERARD

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel