> On Jun 15, 2020, at 2:25 AM, Christophe Leroy <christophe.leroy@xxxxxxxxxx> wrote: > > Even if that's only a warning, not including asm/cacheflush.h > leads to svc_flush_bvec() being empty allthough powerpc defines > ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE. > > CC net/sunrpc/svcsock.o > net/sunrpc/svcsock.c:227:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined [-Wundef] > #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE > ^ > > Include linux/highmem.h so that asm/cacheflush.h will be included. > > Reported-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Cc: Chuck Lever <chuck.lever@xxxxxxxxxx> > Fixes: ca07eda33e01 ("SUNRPC: Refactor svc_recvfrom()") > Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> LGTM. Acked-by: Chuck Lever <chuck.lever@xxxxxxxxxx> > --- > v2: Use linux/highmem.h instead of asm/cacheflush.sh > Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> > --- > net/sunrpc/svcsock.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c > index 5c4ec9386f81..c537272f9c7e 100644 > --- a/net/sunrpc/svcsock.c > +++ b/net/sunrpc/svcsock.c > @@ -44,6 +44,7 @@ > #include <net/tcp.h> > #include <net/tcp_states.h> > #include <linux/uaccess.h> > +#include <linux/highmem.h> > #include <asm/ioctls.h> > > #include <linux/sunrpc/types.h> > -- > 2.25.0 > -- Chuck Lever