On Wed, 1 Jun 2016 09:46:07 -0700 Dave Hansen <dave@xxxxxxxx> wrote: > On 06/01/2016 09:43 AM, Jonathan Corbet wrote: > >> > +There are 5 system calls which directly interact with pkeys: > >> > + > >> > + int pkey_alloc(unsigned long flags, unsigned long init_access_rights) > >> > + int pkey_free(int pkey); > >> > + int sys_pkey_mprotect(unsigned long start, size_t len, > >> > + unsigned long prot, int pkey); > >> > + unsigned long pkey_get(int pkey); > >> > + int pkey_set(int pkey, unsigned long access_rights); > > sys_pkey_mprotect() should just be pkey_mprotect(), right? > > Yes, and that are a few more instances of that farther down in the file. > I'll fix them all up. While you're at it (I shouldn't have hit send quite so quickly :) > + sys_pkey_alloc(0, PKEY_DISABLE_WRITE | PKEY_DISABLE_READ); > + sys_pkey_mprotect(ptr, size, PROT_READ|PROT_WRITE); > + something(ptr); That should, IMO, be something like: key = pkey_alloc(...); pkey_mprotect(ptr, size, PROT_READ|PROT_WRITE, key); ? jon -- 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>