x86/mm: Introduce 'pgtable_l5_enabled'

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The new flag would indicate what paging mode we are in.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180214111656.88514-5-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Kirill A. Shutemov 2018-02-14 14:16:51 +03:00 • committed by Ingo Molnar

parent eedb92abb9

commit e626e6bb0d

4 changed files with 17 additions and 0 deletions

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4

arch/x86/boot/compressed/kaslr.c

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2

arch/x86/include/asm/pgtable_32_types.h

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6

arch/x86/include/asm/pgtable_64_types.h

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5

arch/x86/kernel/head64.c

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