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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2017-03-13 17:33:07 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-14 08:45:08 +0100 |
| commit | ea3b5e60ce804403ca019039d6331368521348de (patch) | |
| tree | 3908ad601f4041b248db4f4fb5004a4f459eb844 /arch/x86/mm/fault.c | |
| parent | 0318e5abe1c0933b8bf6763a1a0d3caec4f0826d (diff) | |
| download | lwn-ea3b5e60ce804403ca019039d6331368521348de.tar.gz lwn-ea3b5e60ce804403ca019039d6331368521348de.zip | |
x86/mm/ident_map: Add 5-level paging support
Add additional page table level handing. It's mostly mechanical.
The only quirk is that with p4d folded, 'pgd' is equal to 'p4d' in
kernel_ident_mapping_init(). The pgd entry has to point to the pud
page table in this case.
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/20170313143309.16020-5-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/fault.c')
0 files changed, 0 insertions, 0 deletions