Merge tag 'iwlwifi-next-for-kalle-2014-12-30' of https://git.kernel.org/pub/scm/linux...

[cascardo/linux.git] / arch / powerpc / mm / hugepage-hash64.c

diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index 5f5e632..8668651 100644 (file)
--- 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.
                 */