On Fri, 2018-09-07 at 15:34 -0700, Alison Schofield wrote: > Today mprotect is implemented to support legacy mprotect behavior > plus an extension for memory protection keys. Make it more generic > so that it can support additional extensions in the future. > > This is done is preparation for adding a new system call for memory > encyption keys. The intent is that the new encrypted mprotect will be > another extension to legacy mprotect. > > Signed-off-by: Alison Schofield <alison.schofield@xxxxxxxxx> > --- > mm/mprotect.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/mm/mprotect.c b/mm/mprotect.c > index 68dc476310c0..56e64ef7931e 100644 > --- a/mm/mprotect.c > +++ b/mm/mprotect.c > @@ -35,6 +35,8 @@ > > #include "internal.h" > > +#define NO_PKEY -1 This commit does not make anything more generic but it does take away a magic number. The code change is senseful. The commit message is nonsense. PS. Please use @linux.intel.com for LKML. /Jarkko
