On Fri, Sep 04 2026, George Guo wrote: > From: George Guo <[email protected]> > > kho_block.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 kho_block.c does not include <linux/mm.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. > > This is the same root cause as the luo_session.c build fix previously > acked by Mike Rapoport [1]; the virt_to_phys()/phys_to_virt() calls have > since been refactored from luo_session.c into kho_block.c, so the fix > moves with it. > > [1] https://lore.kernel.org/r/[email protected]/
Drop this paragraph please. History of previous patch postings doesn't belong in the commit message. You should write this kind of things below the "---". > > Co-developed-by: Kexin Liu <[email protected]> > Signed-off-by: Kexin Liu <[email protected]> > Signed-off-by: George Guo <[email protected]> > --- > kernel/liveupdate/kho_block.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/liveupdate/kho_block.c b/kernel/liveupdate/kho_block.c > index 0d2a342ef422..0d56891b2f4c 100644 > --- a/kernel/liveupdate/kho_block.c > +++ b/kernel/liveupdate/kho_block.c > @@ -25,6 +25,7 @@ > #include <linux/kho/abi/block.h> > #include <linux/kho_block.h> > #include <linux/slab.h> > +#include <linux/mm.h> > > /* > * Safeguard limit for the number of serialization blocks. This is used to -- Regards, Pratyush Yadav
