Re: [RFC PATCH v2 3/5] mm: extend memfd with ability to create "secret" memory areas

2020-07-13 Thread Mike Rapoport
On Mon, Jul 13, 2020 at 01:58:12PM +0300, Kirill A. Shutemov wrote: > On Mon, Jul 06, 2020 at 08:20:49PM +0300, Mike Rapoport wrote: > > From: Mike Rapoport > > > > Extend memfd_create() system call with the ability to create memory areas > > visible only in the context of the owning process and

Re: [RFC PATCH v2 3/5] mm: extend memfd with ability to create "secret" memory areas

2020-07-13 Thread Kirill A. Shutemov
On Mon, Jul 06, 2020 at 08:20:49PM +0300, Mike Rapoport wrote: > From: Mike Rapoport > > Extend memfd_create() system call with the ability to create memory areas > visible only in the context of the owning process and not mapped not only > to other processes but in the kernel page tables as well

[RFC PATCH v2 3/5] mm: extend memfd with ability to create "secret" memory areas

2020-07-06 Thread Mike Rapoport
From: Mike Rapoport Extend memfd_create() system call with the ability to create memory areas visible only in the context of the owning process and not mapped not only to other processes but in the kernel page tables as well. The user will create a file descriptor using the memfd_create system c