"Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> writes: > The patch adds new gfp flag to indicate that we're allocating encrypted > page. > > Architectural code may need to do special preparation for encrypted > pages such as flushing cache to avoid aliasing. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > --- > include/linux/gfp.h | 12 ++++++++++++ > include/linux/mm.h | 2 ++ > include/trace/events/mmflags.h | 1 + > mm/Kconfig | 3 +++ > mm/page_alloc.c | 3 +++ > tools/perf/builtin-kmem.c | 1 + > 6 files changed, 22 insertions(+) > > diff --git a/include/linux/gfp.h b/include/linux/gfp.h > index 1a4582b44d32..43a93ca11c3c 100644 > --- a/include/linux/gfp.h > +++ b/include/linux/gfp.h > @@ -24,6 +24,11 @@ struct vm_area_struct; > #define ___GFP_HIGH 0x20u > #define ___GFP_IO 0x40u > #define ___GFP_FS 0x80u > +#ifdef CONFIG_ARCH_WANTS_GFP_ENCRYPT > +#define ___GFP_ENCYPT 0x100u > +#else > +#define ___GFP_ENCYPT 0 s/___GFP_ENCYPT/___GFP_ENCRYPT? Thanks, Punit [...]
