On Mon, Aug 10 2026, Huacai Chen wrote: > Hi, George, > > This should be the 2nd patch.
Agreed. With that done, Reviewed-by: Pratyush Yadav <[email protected]> > > 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 >> >> -- Regards, Pratyush Yadav

