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mm: make the __PAGETABLE_PxD_FOLDED defines non-empty

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[ Upstream commit a8874e7e8a8896f2b6c641f4b8e2473eafd35204 ]

Change the currently empty defines for __PAGETABLE_PMD_FOLDED,
__PAGETABLE_PUD_FOLDED and __PAGETABLE_P4D_FOLDED to return 1.
This makes it possible to use __is_defined() to test if the
preprocessor define exists.

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Martin Schwidefsky
2018-10-31 12:11:48 +01:00
committed by Greg Kroah-Hartman
parent 28a3b553dd
commit ba38c3e788
11 changed files with 12 additions and 12 deletions
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2
include/asm-generic/pgtable-nopud.h
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@@ -9,7 +9,7 @@
#else
#include <asm-generic/pgtable-nop4d.h>
#define __PAGETABLE_PUD_FOLDED
#define __PAGETABLE_PUD_FOLDED 1
/*
* Having the pud type consist of a p4d gets the size right, and allows