diff options
Diffstat (limited to 'include/asm-ppc64')
| -rw-r--r-- | include/asm-ppc64/pgtable-4k.h | 3 | ||||
| -rw-r--r-- | include/asm-ppc64/pgtable-64k.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-ppc64/pgtable-4k.h b/include/asm-ppc64/pgtable-4k.h index c883a274855..e9590c06ad9 100644 --- a/include/asm-ppc64/pgtable-4k.h +++ b/include/asm-ppc64/pgtable-4k.h @@ -23,6 +23,9 @@ #define PMD_SIZE (1UL << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) +/* With 4k base page size, hugepage PTEs go at the PMD level */ +#define MIN_HUGEPTE_SHIFT PMD_SHIFT + /* PUD_SHIFT determines what a third-level page table entry can map */ #define PUD_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE) #define PUD_SIZE (1UL << PUD_SHIFT) diff --git a/include/asm-ppc64/pgtable-64k.h b/include/asm-ppc64/pgtable-64k.h index c5f437c86b3..154f1840ece 100644 --- a/include/asm-ppc64/pgtable-64k.h +++ b/include/asm-ppc64/pgtable-64k.h @@ -14,6 +14,9 @@ #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) #define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) +/* With 4k base page size, hugepage PTEs go at the PMD level */ +#define MIN_HUGEPTE_SHIFT PAGE_SHIFT + /* PMD_SHIFT determines what a second-level page table entry can map */ #define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE) #define PMD_SIZE (1UL << PMD_SHIFT) |