From d1eebf70ec73952cd9e80c322a7a5e7a59856101 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 26 Mar 2013 14:58:14 -0700
Subject: [PATCH] --- yaml --- r: 363765 b: refs/heads/master c:
 b26c05a207de3a2f84f1e084ad47a55a2d8e6fb0 h: refs/heads/master i:   363763:
 0340e05b8d8c2d8f863dd52c5280610805fd51e4 v: v3

---
 [refs]                                     |  2 +-
 trunk/drivers/staging/zcache/zcache-main.c | 26 ----------------------
 2 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/[refs] b/[refs]
index 796be393a0e4..d4458693a638 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c00782b1d4b9073ae38891d636302b1267285af
+refs/heads/master: b26c05a207de3a2f84f1e084ad47a55a2d8e6fb0
diff --git a/trunk/drivers/staging/zcache/zcache-main.c b/trunk/drivers/staging/zcache/zcache-main.c
index 86ead8d96796..7a6dd966931b 100644
--- a/trunk/drivers/staging/zcache/zcache-main.c
+++ b/trunk/drivers/staging/zcache/zcache-main.c
@@ -277,32 +277,6 @@ static void zcache_obj_free(struct tmem_obj *obj, struct tmem_pool *pool)
 	kmem_cache_free(zcache_obj_cache, obj);
 }
 
-static bool page_is_zero_filled(void *ptr)
-{
-	unsigned int pos;
-	unsigned long *page;
-
-	page = (unsigned long *)ptr;
-
-	for (pos = 0; pos < PAGE_SIZE / sizeof(*page); pos++) {
-		if (page[pos])
-			return false;
-	}
-
-	return true;
-}
-
-static void handle_zero_filled_page(void *page)
-{
-	void *user_mem;
-
-	user_mem = kmap_atomic(page);
-	memset(user_mem, 0, PAGE_SIZE);
-	kunmap_atomic(user_mem);
-
-	flush_dcache_page(page);
-}
-
 static struct tmem_hostops zcache_hostops = {
 	.obj_alloc = zcache_obj_alloc,
 	.obj_free = zcache_obj_free,