On 07/06/2017 02:52 AM, Ram Pai wrote: > Display the pkey number associated with the vma in smaps of a task. > The key will be seen as below: > > ProtectionKey: 0 > > Signed-off-by: Ram Pai <linuxram@xxxxxxxxxx> > --- > arch/powerpc/kernel/setup_64.c | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c > index f35ff9d..ebc82b3 100644 > --- a/arch/powerpc/kernel/setup_64.c > +++ b/arch/powerpc/kernel/setup_64.c > @@ -37,6 +37,7 @@ > #include <linux/memblock.h> > #include <linux/memory.h> > #include <linux/nmi.h> > +#include <linux/pkeys.h> > > #include <asm/io.h> > #include <asm/kdump.h> > @@ -745,3 +746,10 @@ static int __init disable_hardlockup_detector(void) > } > early_initcall(disable_hardlockup_detector); > #endif > + > +#ifdef CONFIG_PPC64_MEMORY_PROTECTION_KEYS Why not for X86 protection keys ? -- 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>