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arch, mm: convert all architectures to use 5level-fixup.h

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If an architecture uses 4level-fixup.h we don't need to do anything as
it includes 5level-fixup.h.

If an architecture uses pgtable-nop*d.h, define __ARCH_USE_5LEVEL_HACK
before inclusion of the header. It makes asm-generic code to use
5level-fixup.h.

If an architecture has 4-level paging or folds levels on its own,
include 5level-fixup.h directly.

Signed-off-by: Kirill A. Shutemov <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill A. Shutemov 2017-03-09 17:24:05 +03:00 • committed by Linus Torvalds
commit 9849a5697d
34 changed files with 46 additions and 1 deletions
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1
arch/tile/include/asm/pgtable_32.h
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@ -74,6 +74,7 @@ extern unsigned long VMALLOC_RESERVE /* = CONFIG_VMALLOC_RESERVE */;
#define MAXMEM (_VMALLOC_START - PAGE_OFFSET)
/* We have no pmd or pud since we are strictly a two-level page table */
#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
static inline int pud_huge_page(pud_t pud) { return 0; }

1
arch/tile/include/asm/pgtable_64.h
View file

@ -59,6 +59,7 @@
#ifndef __ASSEMBLY__
/* We have no pud since we are a three-level page table. */
#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopud.h>
/*