On Mon, Jul 18, 2022 at 11:54:24AM +0100, Vincent Donnefort wrote: > On Thu, Jun 30, 2022 at 02:57:26PM +0100, Will Deacon wrote: > > From: Quentin Perret <qperret@xxxxxxxxxx> > > > > Add a 'flags' field to struct hyp_page, and reduce the size of the order > > field to u8 to avoid growing the struct size. > > > > Signed-off-by: Quentin Perret <qperret@xxxxxxxxxx> > > Signed-off-by: Will Deacon <will@xxxxxxxxxx> > > --- > > arch/arm64/kvm/hyp/include/nvhe/gfp.h | 6 +++--- > > arch/arm64/kvm/hyp/include/nvhe/memory.h | 3 ++- > > arch/arm64/kvm/hyp/nvhe/page_alloc.c | 14 +++++++------- > > 3 files changed, 12 insertions(+), 11 deletions(-) > > > > diff --git a/arch/arm64/kvm/hyp/include/nvhe/gfp.h b/arch/arm64/kvm/hyp/include/nvhe/gfp.h > > index 0a048dc06a7d..9330b13075f8 100644 > > --- a/arch/arm64/kvm/hyp/include/nvhe/gfp.h > > +++ b/arch/arm64/kvm/hyp/include/nvhe/gfp.h > > @@ -7,7 +7,7 @@ > > #include <nvhe/memory.h> > > #include <nvhe/spinlock.h> > > > > -#define HYP_NO_ORDER USHRT_MAX > > +#define HYP_NO_ORDER 0xff > > BUG_ON in hyp_page_ref_inc() might now need to test for 0xff/HYP_NO_ORDER > instead of USHRT_MAX. My bad, read to quickly, refcount/order... > > [...]
