On Thu, May 14, 2015 at 07:31:16PM +0200, Andrea Arcangeli wrote: > This activates the userfaultfd syscall. > > Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> > --- > arch/powerpc/include/asm/systbl.h | 1 + > arch/powerpc/include/uapi/asm/unistd.h | 1 + > arch/x86/syscalls/syscall_32.tbl | 1 + > arch/x86/syscalls/syscall_64.tbl | 1 + > include/linux/syscalls.h | 1 + > kernel/sys_ni.c | 1 + > 6 files changed, 6 insertions(+) > > diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h > index f1863a1..4741b15 100644 > --- a/arch/powerpc/include/asm/systbl.h > +++ b/arch/powerpc/include/asm/systbl.h > @@ -368,3 +368,4 @@ SYSCALL_SPU(memfd_create) > SYSCALL_SPU(bpf) > COMPAT_SYS(execveat) > PPC64ONLY(switch_endian) > +SYSCALL_SPU(userfaultfd) > diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h > index e4aa173..6ad58d4 100644 > --- a/arch/powerpc/include/uapi/asm/unistd.h > +++ b/arch/powerpc/include/uapi/asm/unistd.h > @@ -386,5 +386,6 @@ > #define __NR_bpf 361 > #define __NR_execveat 362 > #define __NR_switch_endian 363 > +#define __NR_userfaultfd 364 May be it is a bit late to bring this up, but I needed the following fix to userfault21 branch of your git tree to compile on powerpc. ---- powerpc: Bump up __NR_syscalls to account for __NR_userfaultfd From: Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx> With userfaultfd syscall, the number of syscalls will be 365 on PowerPC. Reflect the same in __NR_syscalls. Signed-off-by: Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx> --- arch/powerpc/include/asm/unistd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index f4f8b66..4a055b6 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 364 +#define __NR_syscalls 365 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>