Merge branch 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/linville...

[powerpc.git] / mm / mempool.c

diff --git a/mm/mempool.c b/mm/mempool.c
index a1397c6..ccd8cb8 100644 (file)
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -183,8 +183,8 @@ EXPORT_SYMBOL(mempool_resize);
  */
 void mempool_destroy(mempool_t *pool)
 {
-       if (pool->curr_nr != pool->min_nr)
-               BUG();          /* There were outstanding elements */
+       /* Check for outstanding elements */
+       BUG_ON(pool->curr_nr != pool->min_nr);
        free_pool(pool);
 }
 EXPORT_SYMBOL(mempool_destroy);
@@ -238,8 +238,13 @@ repeat_alloc:
        init_wait(&wait);
        prepare_to_wait(&pool->wait, &wait, TASK_UNINTERRUPTIBLE);
        smp_mb();
-       if (!pool->curr_nr)
-               io_schedule();
+       if (!pool->curr_nr) {
+               /*
+                * FIXME: this should be io_schedule().  The timeout is there
+                * as a workaround for some DM problems in 2.6.18.
+                */
+               io_schedule_timeout(5*HZ);
+       }
        finish_wait(&pool->wait, &wait);
 
        goto repeat_alloc;
@@ -296,11 +301,18 @@ EXPORT_SYMBOL(mempool_free_slab);
  */
 void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data)
 {
-       size_t size = (size_t) pool_data;
+       size_t size = (size_t)(long)pool_data;
        return kmalloc(size, gfp_mask);
 }
 EXPORT_SYMBOL(mempool_kmalloc);
 
+void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data)
+{
+       size_t size = (size_t) pool_data;
+       return kzalloc(size, gfp_mask);
+}
+EXPORT_SYMBOL(mempool_kzalloc);
+
 void mempool_kfree(void *element, void *pool_data)
 {
        kfree(element);