diff options
Diffstat (limited to 'lib/radix-tree.c')
-rw-r--r-- | lib/radix-tree.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 3291a8e37490..f783149480e5 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -195,12 +195,13 @@ radix_tree_node_alloc(struct radix_tree_root *root) * succeed in getting a node here (and never reach * kmem_cache_alloc) */ - rtp = this_cpu_ptr(&radix_tree_preloads); + rtp = &get_cpu_var(radix_tree_preloads); if (rtp->nr) { ret = rtp->nodes[rtp->nr - 1]; rtp->nodes[rtp->nr - 1] = NULL; rtp->nr--; } + put_cpu_var(radix_tree_preloads); /* * Update the allocation stack trace as this is more useful * for debugging. @@ -240,6 +241,7 @@ radix_tree_node_free(struct radix_tree_node *node) call_rcu(&node->rcu_head, radix_tree_node_rcu_free); } +#ifndef CONFIG_PREEMPT_RT_FULL /* * Load up this CPU's radix_tree_node buffer with sufficient objects to * ensure that the addition of a single element in the tree cannot fail. On @@ -305,6 +307,7 @@ int radix_tree_maybe_preload(gfp_t gfp_mask) return 0; } EXPORT_SYMBOL(radix_tree_maybe_preload); +#endif /* * Return the maximum key which can be store into a |