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authorXiong Zhang <xiong.y.zhang@intel.com>2017-03-17 21:55:14 +0300
committerIngo Molnar <mingo@kernel.org>2017-03-27 08:56:49 +0200
commit907cd439029091bcbd67f03cbe45a4c124347731 (patch)
tree84613d9c9f5931bd4bc39d78c7e7eace371cd3e0 /arch/x86/xen/mmu.h
parentd691a3cf8004784303f0a4c1c036edfaa7d64d0b (diff)
x86/xen: Change __xen_pgd_walk() and xen_cleanmfnmap() to support p4d
Split these helpers into a couple of per-level functions and add support for an additional page table level. Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com> [ Split off into separate patch ] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> 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: linux-arch@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20170317185515.8636-6-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/xen/mmu.h')
-rw-r--r--arch/x86/xen/mmu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index 73809bb951b4..3fe2b3292915 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -5,6 +5,7 @@
enum pt_level {
PT_PGD,
+ PT_P4D,
PT_PUD,
PT_PMD,
PT_PTE