On Tue, 12 Apr 2016 23:45:18 +0200
Paolo Bonzini wrote:
>
>
> On 07/04/2016 23:31, Dominik Dingel wrote:
> > diff --git a/exec.c b/exec.c
> > index c4f9036..1ae98e4 100644
> > --- a/exec.c
> > +++ b/exec.c
> > @@ -1241,6 +1241,7 @@ static void *file_ram_alloc(RAMBlock *block,
> > void *are
On 07/04/2016 23:31, Dominik Dingel wrote:
> diff --git a/exec.c b/exec.c
> index c4f9036..1ae98e4 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -1241,6 +1241,7 @@ static void *file_ram_alloc(RAMBlock *block,
> void *area;
> int fd = -1;
> int64_t page_size;
> +int64_t alignment;
>
While in the anonymous ram case we already take care of the right alignment
such an alignment gurantee does not exist for file backed ram allocation.
Instead, pagesize is used for alignment. On s390 this is not enough for gmap,
as we need to satisfy an alignment up to segments.
Reported-by: Halil
