5 files changed, 14 insertions, 28 deletions

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 1c5da41653a4..c7d5804ba76d 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -10,7 +10,7 @@
 struct device;
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-                         dma_addr_t *dma_handle, int flag)
+                         dma_addr_t *dma_handle, gfp_t flag)
 {
         BUG();
         return NULL;
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 8c6dfc6c7af6..9a02879b235d 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -231,9 +231,6 @@ extern struct page *mem_map_zero;
 #define pte_pfn(x)              ((pte_val(x) & _PAGE_PADDR)>>PAGE_SHIFT)
 #define pte_page(x)             pfn_to_page(pte_pfn(x))
 
-#define page_pte_prot(page, prot)       mk_pte(page, prot)
-#define page_pte(page)                  page_pte_prot(page, __pgprot(0))
-
 static inline pte_t pte_modify(pte_t orig_pte, pgprot_t new_prot)
 {
         pte_t __pte;
diff --git a/include/asm-sparc64/rwsem.h b/include/asm-sparc64/rwsem.h
index 4568ee4022df..cef5e8270421 100644
--- a/include/asm-sparc64/rwsem.h
+++ b/include/asm-sparc64/rwsem.h
@@ -56,6 +56,11 @@ static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
         atomic_add(delta, (atomic_t *)(&sem->count));
 }
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+        return (sem->count != 0);
+}
+
 #endif /* __KERNEL__ */
 
 #endif /* _SPARC64_RWSEM_H */
diff --git a/include/asm-sparc64/semaphore.h b/include/asm-sparc64/semaphore.h
index 7419dd88b49e..093dcc6788db 100644
--- a/include/asm-sparc64/semaphore.h
+++ b/include/asm-sparc64/semaphore.h
@@ -22,9 +22,6 @@ struct semaphore {
         { ATOMIC_INIT(count), \
           __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) }
 
-#define __MUTEX_INITIALIZER(name) \
-        __SEMAPHORE_INITIALIZER(name, 1)
-
 #define __DECLARE_SEMAPHORE_GENERIC(name, count) \
         struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
 
diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h
index 9baf57db01d2..66138d959df5 100644
--- a/include/asm-sparc64/tlb.h
+++ b/include/asm-sparc64/tlb.h
@@ -25,9 +25,8 @@ struct mmu_gather {
         struct mm_struct *mm;
         unsigned int pages_nr;
         unsigned int need_flush;
-        unsigned int tlb_frozen;
+        unsigned int fullmm;
         unsigned int tlb_nr;
-        unsigned long freed;
         unsigned long vaddrs[TLB_BATCH_NR];
         struct page *pages[FREE_PTE_NR];
 };
@@ -44,14 +43,13 @@ extern void flush_tlb_pending(void);
 
 static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
 {
-        struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
+        struct mmu_gather *mp = &get_cpu_var(mmu_gathers);
 
         BUG_ON(mp->tlb_nr);
 
         mp->mm = mm;
         mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U;
-        mp->tlb_frozen = full_mm_flush;
-        mp->freed = 0;
+        mp->fullmm = full_mm_flush;
 
         return mp;
 }
@@ -78,30 +76,19 @@ extern void smp_flush_tlb_mm(struct mm_struct *mm);
 
 static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end)
 {
-        unsigned long freed = mp->freed;
-        struct mm_struct *mm = mp->mm;
-        unsigned long rss = get_mm_counter(mm, rss);
-
-        if (rss < freed)
-                freed = rss;
-        add_mm_counter(mm, rss, -freed);
-
         tlb_flush_mmu(mp);
 
-        if (mp->tlb_frozen) {
-                if (CTX_VALID(mm->context))
-                        do_flush_tlb_mm(mm);
-                mp->tlb_frozen = 0;
+        if (mp->fullmm) {
+                if (CTX_VALID(mp->mm->context))
+                        do_flush_tlb_mm(mp->mm);
+                mp->fullmm = 0;
         } else
                 flush_tlb_pending();
 
         /* keep the page table cache within bounds */
         check_pgt_cache();
-}
 
-static inline unsigned int tlb_is_full_mm(struct mmu_gather *mp)
-{
-        return mp->tlb_frozen;
+        put_cpu_var(mmu_gathers);
 }
 
 static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page)