x86/mm/gup: Add 5-level paging support
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Mon, 13 Mar 2017 14:33:06 +0000 (17:33 +0300)
committerIngo Molnar <mingo@kernel.org>
Tue, 14 Mar 2017 07:45:08 +0000 (08:45 +0100)
commit0318e5abe1c0933b8bf6763a1a0d3caec4f0826d
treed64a5fcbfedb1191a9f217bc53f385c286b4824b
parente0c4f6750e130541cca7390739d25feb522acfff
x86/mm/gup: Add 5-level paging support

Extend get_user_pages_fast() to handle an additional page table level.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20170313143309.16020-4-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/mm/gup.c