Merge branch 'master'

4 files changed, 15 insertions, 20 deletions

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index e15f09eaed12..a065349aee37 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -270,7 +270,6 @@ void flush_dcache_page(struct page *page)
         unsigned long offset;
         unsigned long addr;
         pgoff_t pgoff;
-        pte_t *pte;
         unsigned long pfn = page_to_pfn(page);
 
 
@@ -301,21 +300,16 @@ void flush_dcache_page(struct page *page)
                  * taking a page fault if the pte doesn't exist.
                  * This is just for speed.  If the page translation
                  * isn't there, there's no point exciting the
-                 * nadtlb handler into a nullification frenzy */
-
-
-                if(!(pte = translation_exists(mpnt, addr)))
-                        continue;
-
-                /* make sure we really have this page: the private
+                 * nadtlb handler into a nullification frenzy.
+                 *
+                 * Make sure we really have this page: the private
                  * mappings may cover this area but have COW'd this
-                 * particular page */
-                if(pte_pfn(*pte) != pfn)
-                        continue;
-
-                __flush_cache_page(mpnt, addr);
-
-                break;
+                 * particular page.
+                 */
+                if (translation_exists(mpnt, addr, pfn)) {
+                        __flush_cache_page(mpnt, addr);
+                        break;
+                }
         }
         flush_dcache_mmap_unlock(mapping);
 }
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index ae6213d71670..f94a02ef3d95 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -114,7 +114,7 @@ static inline int map_pmd_uncached(pmd_t * pmd, unsigned long vaddr,
         if (end > PGDIR_SIZE)
                 end = PGDIR_SIZE;
         do {
-                pte_t * pte = pte_alloc_kernel(&init_mm, pmd, vaddr);
+                pte_t * pte = pte_alloc_kernel(pmd, vaddr);
                 if (!pte)
                         return -ENOMEM;
                 if (map_pte_uncached(pte, orig_vaddr, end - vaddr, paddr_ptr))
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 2886ad70db48..29b998e430e6 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -505,7 +505,9 @@ void show_mem(void)
 
                 for (j = node_start_pfn(i); j < node_end_pfn(i); j++) {
                         struct page *p;
+                        unsigned long flags;
 
+                        pgdat_resize_lock(NODE_DATA(i), &flags);
                         p = nid_page_nr(i, j) - node_start_pfn(i);
 
                         total++;
@@ -517,6 +519,7 @@ void show_mem(void)
                                 free++;
                         else
                                 shared += page_count(p) - 1;
+                        pgdat_resize_unlock(NODE_DATA(i), &flags);
                 }
         }
 #endif
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index f2df502cdae3..5c7a1b3b9326 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -52,7 +52,7 @@ static inline int remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned lo
         if (address >= end)
                 BUG();
         do {
-                pte_t * pte = pte_alloc_kernel(NULL, pmd, address);
+                pte_t * pte = pte_alloc_kernel(pmd, address);
                 if (!pte)
                         return -ENOMEM;
                 remap_area_pte(pte, address, end - address, address + phys_addr, flags);
@@ -75,10 +75,9 @@ static int remap_area_pages(unsigned long address, unsigned long phys_addr,
         flush_cache_all();
         if (address >= end)
                 BUG();
-        spin_lock(&init_mm.page_table_lock);
         do {
                 pmd_t *pmd;
-                pmd = pmd_alloc(dir, address);
+                pmd = pmd_alloc(&init_mm, dir, address);
                 error = -ENOMEM;
                 if (!pmd)
                         break;
@@ -89,7 +88,6 @@ static int remap_area_pages(unsigned long address, unsigned long phys_addr,
                 address = (address + PGDIR_SIZE) & PGDIR_MASK;
                 dir++;
         } while (address && (address < end));
-        spin_unlock(&init_mm.page_table_lock);
         flush_tlb_all();
         return error;
 }