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authorPavel Kozlov <pavel.kozlov@synopsys.com>2023-12-13 19:07:10 +0400
committerVineet Gupta <vgupta@kernel.org>2023-12-13 19:33:10 -0800
commit9a733dc4fbeec3f6d99645b845712b035e7440cf (patch)
treed465d21549e73753bf16aec77aec692a5c09704f /arch/arc
parent4eb69d00fe967699b9d93f7e74a990fe813e8d2b (diff)
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: Pavel Kozlov <pavel.kozlov@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/include/asm/hugepage.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index ef8d4166370c..8a2441670a8f 100644
--- a/arch/arc/include/asm/hugepage.h
+++ b/arch/arc/include/asm/hugepage.h
@@ -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));