sctp: initialize sin6_flowinfo for ipv6 addrs in sctp_inet6addr_event

[linux-2.6-block.git] / mm / vmacache.c

diff --git a/mm/vmacache.c b/mm/vmacache.c
index ea517bef7dc552a10ac6ed424ca06aa50670c303..cdc32a3b02fa0d7efc9d874b6cb6a26d82bf24c1 100644 (file)
--- a/mm/vmacache.c
+++ b/mm/vmacache.c
@@ -19,44 +19,6 @@
 #endif
 #define VMACACHE_HASH(addr) ((addr >> VMACACHE_SHIFT) & VMACACHE_MASK)
 
-/*
- * Flush vma caches for threads that share a given mm.
- *
- * The operation is safe because the caller holds the mmap_sem
- * exclusively and other threads accessing the vma cache will
- * have mmap_sem held at least for read, so no extra locking
- * is required to maintain the vma cache.
- */
-void vmacache_flush_all(struct mm_struct *mm)
-{
-       struct task_struct *g, *p;
-
-       count_vm_vmacache_event(VMACACHE_FULL_FLUSHES);
-
-       /*
-        * Single threaded tasks need not iterate the entire
-        * list of process. We can avoid the flushing as well
-        * since the mm's seqnum was increased and don't have
-        * to worry about other threads' seqnum. Current's
-        * flush will occur upon the next lookup.
-        */
-       if (atomic_read(&mm->mm_users) == 1)
-               return;
-
-       rcu_read_lock();
-       for_each_process_thread(g, p) {
-               /*
-                * Only flush the vmacache pointers as the
-                * mm seqnum is already set and curr's will
-                * be set upon invalidation when the next
-                * lookup is done.
-                */
-               if (mm == p->mm)
-                       vmacache_flush(p);
-       }
-       rcu_read_unlock();
-}
-
 /*
  * This task may be accessing a foreign mm via (for example)
  * get_user_pages()->find_vma().  The vmacache is task-local and this