diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-hash64.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 199539882f92..c9acd7910eea 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -121,8 +121,15 @@ repeat: } } - if (unlikely(slot == -2)) - panic("hash_huge_page: pte_insert failed\n"); + /* + * Hypervisor failure. Restore old pte and return -1 + * similar to __hash_page_* + */ + if (unlikely(slot == -2)) { + *ptep = __pte(old_pte); + err = -1; + goto out; + } new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX); } |