On Mon, 2019-09-09 at 10:52 +0200, David Hildenbrand wrote: > On 07.09.19 19:25, Alexander Duyck wrote: > > From: Alexander Duyck <[email protected]> > > > > Move the static definition for things such as HUGETLB_PAGE_ORDER out of > > asm/pgtable.h and place it in page-defs.h. By doing this the includes > > become much easier to deal with as currently arm64 is the only architecture > > that didn't include this definition in the asm/page.h file or a file > > included by it. > > > > It also makes logical sense as PAGE_SHIFT was already defined in > > page-defs.h so now we also have HPAGE_SHIFT defined there as well. > > > > Signed-off-by: Alexander Duyck <[email protected]> > > --- > > arch/arm64/include/asm/page-def.h | 9 +++++++++ > > arch/arm64/include/asm/pgtable.h | 9 --------- > > 2 files changed, 9 insertions(+), 9 deletions(-) > > > > diff --git a/arch/arm64/include/asm/page-def.h > > b/arch/arm64/include/asm/page-def.h > > index f99d48ecbeef..1c5b079e2482 100644 > > --- a/arch/arm64/include/asm/page-def.h > > +++ b/arch/arm64/include/asm/page-def.h > > @@ -20,4 +20,13 @@ > > #define CONT_SIZE (_AC(1, UL) << (CONT_SHIFT + PAGE_SHIFT)) > > #define CONT_MASK (~(CONT_SIZE-1)) > > > > +/* > > + * Hugetlb definitions. > > + */ > > +#define HUGE_MAX_HSTATE 4 > > +#define HPAGE_SHIFT PMD_SHIFT > > +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT) > > +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) > > +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) > > + > > I wonder if you should initially limit "config PAGE_REPORTING" to x86 > only and unlock it for the other targets once we actually test it there. > Or did you test PAGE_REPORTING on other architectures as well? >
I haven't, but essentially the effects should be the same regardless of architecture. In addition since this is a feature that can be enabled/disabled via QEMU I am not sure there is much harm other than getting additional testing by enabling for all of the architectures at once.
