From: Matthew Wilcox <willy@infradead.org>
Date: Wed, 17 Oct 2018 18:43:43 +0000 (-0400)
Subject: radix tree: Remove radix_tree_maybe_preload
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=aa8e80b78e3bb76b1b4b38b7a4b02a4d1078bdd5;p=users%2Fwilly%2Fxarray.git

radix tree: Remove radix_tree_maybe_preload

This function is now unused; delete it.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
---

diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index a9581ade23143..3d825c348a7b8 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -224,7 +224,6 @@ unsigned int radix_tree_gang_lookup(const struct radix_tree_root *,
 			void **results, unsigned long first_index,
 			unsigned int max_items);
 int radix_tree_preload(gfp_t gfp_mask);
-int radix_tree_maybe_preload(gfp_t gfp_mask);
 void radix_tree_init(void);
 void *radix_tree_tag_set(struct radix_tree_root *,
 			unsigned long index, unsigned int tag);
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index d46e6b60e2ef9..4cc27ae8344c7 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -379,21 +379,6 @@ int radix_tree_preload(gfp_t gfp_mask)
 }
 EXPORT_SYMBOL(radix_tree_preload);
 
-/*
- * The same as above function, except we don't guarantee preloading happens.
- * We do it, if we decide it helps. On success, return zero with preemption
- * disabled. On error, return -ENOMEM with preemption not disabled.
- */
-int radix_tree_maybe_preload(gfp_t gfp_mask)
-{
-	if (gfpflags_allow_blocking(gfp_mask))
-		return __radix_tree_preload(gfp_mask, RADIX_TREE_PRELOAD_SIZE);
-	/* Preloading doesn't help anything with this gfp mask, skip it */
-	preempt_disable();
-	return 0;
-}
-EXPORT_SYMBOL(radix_tree_maybe_preload);
-
 static unsigned radix_tree_load_root(const struct radix_tree_root *root,
 		struct radix_tree_node **nodep, unsigned long *maxindex)
 {