diff options
Diffstat (limited to 'arch/sparc/mm/hugetlbpage.c')
| -rw-r--r-- | arch/sparc/mm/hugetlbpage.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 4b9431311e05..4652e868663b 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -22,6 +22,26 @@ static pte_t sun4u_hugepage_shift_to_tte(pte_t entry, unsigned int shift) { + unsigned long hugepage_size = _PAGE_SZ4MB_4U; + + pte_val(entry) = pte_val(entry) & ~_PAGE_SZALL_4U; + + switch (shift) { + case HPAGE_256MB_SHIFT: + hugepage_size = _PAGE_SZ256MB_4U; + pte_val(entry) |= _PAGE_PMD_HUGE; + break; + case HPAGE_SHIFT: + pte_val(entry) |= _PAGE_PMD_HUGE; + break; + case HPAGE_64K_SHIFT: + hugepage_size = _PAGE_SZ64K_4U; + break; + default: + WARN_ONCE(1, "unsupported hugepage shift=%u\n", shift); + } + + pte_val(entry) = pte_val(entry) | hugepage_size; return entry; } |