diff options
Diffstat (limited to 'arch/powerpc/mm/hugepage-hash64.c')
| -rw-r--r-- | arch/powerpc/mm/hugepage-hash64.c | 60 |
1 files changed, 5 insertions, 55 deletions
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c index 5f5e6328c21c..86686514ae13 100644 --- a/arch/powerpc/mm/hugepage-hash64.c +++ b/arch/powerpc/mm/hugepage-hash64.c @@ -18,60 +18,9 @@ #include <linux/mm.h> #include <asm/machdep.h> -static void invalidate_old_hpte(unsigned long vsid, unsigned long addr, - pmd_t *pmdp, unsigned int psize, int ssize) -{ - int i, max_hpte_count, valid; - unsigned long s_addr; - unsigned char *hpte_slot_array; - unsigned long hidx, shift, vpn, hash, slot; - - s_addr = addr & HPAGE_PMD_MASK; - hpte_slot_array = get_hpte_slot_array(pmdp); - /* - * IF we try to do a HUGE PTE update after a withdraw is done. - * we will find the below NULL. This happens when we do - * split_huge_page_pmd - */ - if (!hpte_slot_array) - return; - - if (ppc_md.hugepage_invalidate) - return ppc_md.hugepage_invalidate(vsid, s_addr, hpte_slot_array, - psize, ssize); - /* - * 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] - */ - valid = hpte_valid(hpte_slot_array, i); - if (!valid) - continue; - hidx = hpte_hash_index(hpte_slot_array, i); - - /* get the vpn */ - addr = s_addr + (i * (1ul << shift)); - vpn = hpt_vpn(addr, vsid, ssize); - hash = hpt_hash(vpn, shift, ssize); - if (hidx & _PTEIDX_SECONDARY) - hash = ~hash; - - slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; - slot += hidx & _PTEIDX_GROUP_IX; - ppc_md.hpte_invalidate(slot, vpn, psize, - MMU_PAGE_16M, ssize, 0); - } -} - - int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, - pmd_t *pmdp, unsigned long trap, int local, int ssize, - unsigned int psize) + pmd_t *pmdp, unsigned long trap, unsigned long flags, + int ssize, unsigned int psize) { unsigned int index, valid; unsigned char *hpte_slot_array; @@ -145,7 +94,8 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, * hash page table entries. */ if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) - invalidate_old_hpte(vsid, ea, pmdp, MMU_PAGE_64K, ssize); + flush_hash_hugepage(vsid, ea, pmdp, MMU_PAGE_64K, + ssize, flags); } valid = hpte_valid(hpte_slot_array, index); @@ -158,7 +108,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, slot += hidx & _PTEIDX_GROUP_IX; ret = ppc_md.hpte_updatepp(slot, rflags, vpn, - psize, lpsize, ssize, local); + psize, lpsize, ssize, flags); /* * We failed to update, try to insert a new entry. */ |