summaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/hugetlbpage.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index bc97874d7c74..5b236621d302 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -65,6 +65,9 @@ static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
if (pshift >= pdshift) {
cachep = PGT_CACHE(PTE_T_ORDER);
num_hugepd = 1 << (pshift - pdshift);
+ } else if (IS_ENABLED(CONFIG_PPC_8xx)) {
+ cachep = PGT_CACHE(PTE_INDEX_SIZE);
+ num_hugepd = 1;
} else {
cachep = PGT_CACHE(pdshift - pshift);
num_hugepd = 1;
@@ -331,6 +334,9 @@ static void free_hugepd_range(struct mmu_gather *tlb, hugepd_t *hpdp, int pdshif
if (shift >= pdshift)
hugepd_free(tlb, hugepte);
+ else if (IS_ENABLED(CONFIG_PPC_8xx))
+ pgtable_free_tlb(tlb, hugepte,
+ get_hugepd_cache_index(PTE_INDEX_SIZE));
else
pgtable_free_tlb(tlb, hugepte,
get_hugepd_cache_index(pdshift - shift));
@@ -700,7 +706,9 @@ static int __init hugetlbpage_init(void)
* if we have pdshift and shift value same, we don't
* use pgt cache for hugepd.
*/
- if (pdshift > shift)
+ if (pdshift > shift && IS_ENABLED(CONFIG_PPC_8xx))
+ pgtable_cache_add(PTE_INDEX_SIZE);
+ else if (pdshift > shift)
pgtable_cache_add(pdshift - shift);
#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_8xx)
else