Hi, George, This should be the 2nd patch.
Huacai On Fri, Aug 7, 2026 at 6:39 PM George Guo <[email protected]> wrote: > > From: George Guo <[email protected]> > > luo_session.c calls virt_to_phys() and phys_to_virt(). On LoongArch with > CONFIG_KFENCE=y, these macros (in arch/loongarch/include/asm/io.h) expand > to offset_in_page() and page_address(), both declared in <linux/mm.h>. > > Since luo_session.c only includes <linux/io.h>, the translation unit fails > to build with CONFIG_KFENCE=y: > > asm/io.h: error: implicit declaration of function 'offset_in_page' > asm/io.h: error: implicit declaration of function 'page_address' > > Add the missing include to fix these build errors. > > Co-developed-by: Kexin Liu <[email protected]> > Signed-off-by: Kexin Liu <[email protected]> > Signed-off-by: George Guo <[email protected]> > Acked-by: Mike Rapoport (Microsoft) <[email protected]> > --- > kernel/liveupdate/luo_session.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/liveupdate/luo_session.c b/kernel/liveupdate/luo_session.c > index f38b5b18f3f8..31490ac7b63d 100644 > --- a/kernel/liveupdate/luo_session.c > +++ b/kernel/liveupdate/luo_session.c > @@ -94,6 +94,7 @@ > #include <linux/kho/abi/luo.h> > #include <linux/list.h> > #include <linux/liveupdate.h> > +#include <linux/mm.h> > #include <linux/mutex.h> > #include <linux/rwsem.h> > #include <linux/slab.h> > -- > 2.53.0 > >

