On Mon, 21 Sep 2020 16:49:57 +0200 Laurent Vivier <lviv...@redhat.com> wrote:
> max-bandwidth is set by default to 32 MiB/s (256 Mib/s) > since 2008 (5bb7910af031c). > > Most of the CPUs can dirty memory faster than that now, > and this is clearly a problem with POWER where the page > size is 64 kiB and not 4 KiB. > > Signed-off-by: Laurent Vivier <lviv...@redhat.com> > --- Reviewed-by: Greg Kurz <gr...@kaod.org> > migration/migration.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/migration/migration.c b/migration/migration.c > index 58a5452471f9..1c4174947181 100644 > --- a/migration/migration.c > +++ b/migration/migration.c > @@ -57,7 +57,7 @@ > #include "qemu/queue.h" > #include "multifd.h" > > -#define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling > */ > +#define MAX_THROTTLE (128 << 20) /* Migration transfer speed > throttling */ > > /* Amount of time to allocate to each "chunk" of bandwidth-throttled > * data. */