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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2017-03-30 11:07:27 +0300
committerIngo Molnar <mingo@kernel.org>2017-04-04 09:22:33 +0300
commit4c7c44837be77e2689c577abef155c4b5d873c82 (patch)
treec0b2b3e63d6c73766d8486fe80d1782928399f9a /lib/bitmap.c
parent361b4b58ec4cf123e12a773909c6454dbd5e6dbc (diff)
downloadlinux-4c7c44837be77e2689c577abef155c4b5d873c82.tar.xz
x86/mm: Define virtual memory map for 5-level paging
The first part of memory map (up to %esp fixup) simply scales existing map for 4-level paging by factor of 9 -- number of bits addressed by the additional page table level. The rest of the map is unchanged. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Andy Lutomirski <luto@kernel.org> 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: 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/20170330080731.65421-4-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/bitmap.c')
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