2 files changed, 1 insertions, 71 deletions

diff --git a/lib/Makefile b/lib/Makefile
index d6b4bc496408..eb95e0fdcca5 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -11,7 +11,7 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
 	 rbtree.o radix-tree.o dump_stack.o timerqueue.o\
 	 idr.o int_sqrt.o extable.o \
 	 sha1.o md5.o irq_regs.o reciprocal_div.o argv_split.o \
-	 proportions.o flex_proportions.o prio_heap.o ratelimit.o show_mem.o \
+	 proportions.o flex_proportions.o ratelimit.o show_mem.o \
 	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
 	 earlycpio.o
 
diff --git a/lib/prio_heap.c b/lib/prio_heap.c
deleted file mode 100644
index a7af6f85eca8..000000000000
--- a/lib/prio_heap.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Simple insertion-only static-sized priority heap containing
- * pointers, based on CLR, chapter 7
- */
-
-#include <linux/slab.h>
-#include <linux/prio_heap.h>
-
-int heap_init(struct ptr_heap *heap, size_t size, gfp_t gfp_mask,
-	      int (*gt)(void *, void *))
-{
-	heap->ptrs = kmalloc(size, gfp_mask);
-	if (!heap->ptrs)
-		return -ENOMEM;
-	heap->size = 0;
-	heap->max = size / sizeof(void *);
-	heap->gt = gt;
-	return 0;
-}
-
-void heap_free(struct ptr_heap *heap)
-{
-	kfree(heap->ptrs);
-}
-
-void *heap_insert(struct ptr_heap *heap, void *p)
-{
-	void *res;
-	void **ptrs = heap->ptrs;
-	int pos;
-
-	if (heap->size < heap->max) {
-		/* Heap insertion */
-		pos = heap->size++;
-		while (pos > 0 && heap->gt(p, ptrs[(pos-1)/2])) {
-			ptrs[pos] = ptrs[(pos-1)/2];
-			pos = (pos-1)/2;
-		}
-		ptrs[pos] = p;
-		return NULL;
-	}
-
-	/* The heap is full, so something will have to be dropped */
-
-	/* If the new pointer is greater than the current max, drop it */
-	if (heap->gt(p, ptrs[0]))
-		return p;
-
-	/* Replace the current max and heapify */
-	res = ptrs[0];
-	ptrs[0] = p;
-	pos = 0;
-
-	while (1) {
-		int left = 2 * pos + 1;
-		int right = 2 * pos + 2;
-		int largest = pos;
-		if (left < heap->size && heap->gt(ptrs[left], p))
-			largest = left;
-		if (right < heap->size && heap->gt(ptrs[right], ptrs[largest]))
-			largest = right;
-		if (largest == pos)
-			break;
-		/* Push p down the heap one level and bump one up */
-		ptrs[pos] = ptrs[largest];
-		ptrs[largest] = p;
-		pos = largest;
-	}
-	return res;
-}