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 ^ Fixes: ca07eda33e01 ("SUNRPC: Refactor svc_recvfrom()") Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> --- I detected this on linux-next on June 4th and warned Chuck. Seems like it went into mainline anyway. net/sunrpc/svcsock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 5c4ec9386f81..d9e99cb09aab 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -45,6 +45,7 @@ #include <net/tcp_states.h> #include <linux/uaccess.h> #include <asm/ioctls.h> +#include <asm/cacheflush.h> #include <linux/sunrpc/types.h> #include <linux/sunrpc/clnt.h> -- 2.25.0