Commit 9a733dc4 authored by Pavel Kozlov's avatar Pavel Kozlov Committed by Vineet Gupta
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ARC: add hugetlb definitions 



Add hugetlb definitions if THP enabled. ARC doesn't support
HugeTLB FS but it supports THP. Some kernel code such as pagemap
uses hugetlb definitions with THP.

This patch fixes ARC build issue (HPAGE_SIZE undeclared error) with
TRANSPARENT_HUGEPAGE enabled.

Signed-off-by: default avatarPavel Kozlov <pavel.kozlov@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@kernel.org>
parent 4eb69d00

arch/arc/include/asm/hugepage.h

+7 −0
Original line number Diff line number Diff line
@@ -10,6 +10,13 @@ 
#include <linux/types.h>

#include <asm-generic/pgtable-nopmd.h>



/*

 * Hugetlb definitions.

 */

#define HPAGE_SHIFT		PMD_SHIFT

#define HPAGE_SIZE		(_AC(1, UL) << HPAGE_SHIFT)

#define HPAGE_MASK		(~(HPAGE_SIZE - 1))



static inline pte_t pmd_pte(pmd_t pmd)

{

	return __pte(pmd_val(pmd));