diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 074a4a22505..536eec72c0f 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -708,6 +708,7 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, { int ssize, i; unsigned long s_addr; + int max_hpte_count; unsigned int psize, valid; unsigned char *hpte_slot_array; unsigned long hidx, vpn, vsid, hash, shift, slot; @@ -727,9 +728,16 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, /* get the base page size */ psize = get_slice_psize(mm, s_addr); - shift = mmu_psize_defs[psize].shift; - for (i = 0; i < (HPAGE_PMD_SIZE >> shift); i++) { + if (ppc_md.hugepage_invalidate) + return ppc_md.hugepage_invalidate(mm, hpte_slot_array, + s_addr, psize); + /* + * No bluk hpte removal support, invalidate each entry + */ + shift = mmu_psize_defs[psize].shift; + max_hpte_count = HPAGE_PMD_SIZE >> shift; + for (i = 0; i < max_hpte_count; i++) { /* * 8 bits per each hpte entries * 000| [ secondary group (one bit) | hidx (3 bits) | valid bit] |