diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index cd8b7b35f1e8bb..9846de7f2d41d6 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -404,6 +404,7 @@ struct bm_position {
 	struct mem_zone_bm_rtree *zone;
 	struct rtree_node *node;
 	unsigned long node_pfn;
+	unsigned long cur_pfn;
 	int node_bit;
 };
 
@@ -589,6 +590,7 @@ static void memory_bm_position_reset(struct memory_bitmap *bm)
 	bm->cur.node = list_entry(bm->cur.zone->leaves.next,
 				  struct rtree_node, list);
 	bm->cur.node_pfn = 0;
+	bm->cur.cur_pfn = BM_END_OF_MAP;
 	bm->cur.node_bit = 0;
 }
 
@@ -850,6 +852,11 @@ static void memory_bm_clear_current(struct memory_bitmap *bm)
 	clear_bit(bit, bm->cur.node->data);
 }
 
+static unsigned long memory_bm_get_current(struct memory_bitmap *bm)
+{
+	return bm->cur.cur_pfn;
+}
+
 static int memory_bm_test_bit(struct memory_bitmap *bm, unsigned long pfn)
 {
 	void *addr;
@@ -929,10 +936,12 @@ static unsigned long memory_bm_next_pfn(struct memory_bitmap *bm)
 		if (bit < bits) {
 			pfn = bm->cur.zone->start_pfn + bm->cur.node_pfn + bit;
 			bm->cur.node_bit = bit + 1;
+			bm->cur.cur_pfn = pfn;
 			return pfn;
 		}
 	} while (rtree_next_node(bm));
 
+	bm->cur.cur_pfn = BM_END_OF_MAP;
 	return BM_END_OF_MAP;
 }
 
@@ -1371,14 +1380,18 @@ static unsigned int count_data_pages(void)
 
 /*
  * This is needed, because copy_page and memcpy are not usable for copying
- * task structs.
+ * task structs. Returns 1 if a page was filled with only zeros, otherwise 0.
  */
-static inline void do_copy_page(long *dst, long *src)
+static inline int do_copy_page(long *dst, long *src)
 {
 	int n;
+	long z = 0;
 
-	for (n = PAGE_SIZE / sizeof(long); n; n--)
+	for (n = PAGE_SIZE / sizeof(long); n; n--) {
+		z |= *src;
 		*dst++ = *src++;
+	}
+	return !z;
 }
 
 /**
@@ -1389,15 +1402,17 @@ static inline void do_copy_page(long *dst, long *src)
  * CONFIG_ARCH_HAS_SET_DIRECT_MAP is not set. In that case kernel_page_present()
  * always returns 'true'.
  */
-static void safe_copy_page(void *dst, struct page *s_page)
+static int safe_copy_page(void *dst, struct page *s_page)
 {
+	int ret;
 	if (kernel_page_present(s_page)) {
-		do_copy_page(dst, page_address(s_page));
+		ret = do_copy_page(dst, page_address(s_page));
 	} else {
 		hibernate_map_page(s_page);
-		do_copy_page(dst, page_address(s_page));
+		ret = do_copy_page(dst, page_address(s_page));
 		hibernate_unmap_page(s_page);
 	}
+	return ret;
 }
 
 #ifdef CONFIG_HIGHMEM
@@ -1407,17 +1422,18 @@ static inline struct page *page_is_saveable(struct zone *zone, unsigned long pfn
 		saveable_highmem_page(zone, pfn) : saveable_page(zone, pfn);
 }
 
-static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
+static int copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
 {
 	struct page *s_page, *d_page;
 	void *src, *dst;
+	int ret;
 
 	s_page = pfn_to_page(src_pfn);
 	d_page = pfn_to_page(dst_pfn);
 	if (PageHighMem(s_page)) {
 		src = kmap_atomic(s_page);
 		dst = kmap_atomic(d_page);
-		do_copy_page(dst, src);
+		ret = do_copy_page(dst, src);
 		kunmap_atomic(dst);
 		kunmap_atomic(src);
 	} else {
@@ -1426,30 +1442,32 @@ static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
 			 * The page pointed to by src may contain some kernel
 			 * data modified by kmap_atomic()
 			 */
-			safe_copy_page(buffer, s_page);
+			ret = safe_copy_page(buffer, s_page);
 			dst = kmap_atomic(d_page);
 			copy_page(dst, buffer);
 			kunmap_atomic(dst);
 		} else {
-			safe_copy_page(page_address(d_page), s_page);
+			ret = safe_copy_page(page_address(d_page), s_page);
 		}
 	}
+	return ret;
 }
 #else
 #define page_is_saveable(zone, pfn)	saveable_page(zone, pfn)
 
-static inline void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
+static inline int copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
 {
-	safe_copy_page(page_address(pfn_to_page(dst_pfn)),
+	return safe_copy_page(page_address(pfn_to_page(dst_pfn)),
 				pfn_to_page(src_pfn));
 }
 #endif /* CONFIG_HIGHMEM */
 
 static void copy_data_pages(struct memory_bitmap *copy_bm,
-			    struct memory_bitmap *orig_bm)
+			    struct memory_bitmap *orig_bm,
+			    struct memory_bitmap *zero_bm)
 {
 	struct zone *zone;
-	unsigned long pfn;
+	unsigned long pfn, copy_pfn;
 
 	for_each_populated_zone(zone) {
 		unsigned long max_zone_pfn;
@@ -1462,11 +1480,18 @@ static void copy_data_pages(struct memory_bitmap *copy_bm,
 	}
 	memory_bm_position_reset(orig_bm);
 	memory_bm_position_reset(copy_bm);
+	copy_pfn = memory_bm_next_pfn(copy_bm);
 	for(;;) {
 		pfn = memory_bm_next_pfn(orig_bm);
 		if (unlikely(pfn == BM_END_OF_MAP))
 			break;
-		copy_data_page(memory_bm_next_pfn(copy_bm), pfn);
+		if (copy_data_page(copy_pfn, pfn)) {
+			memory_bm_set_bit(zero_bm, pfn);
+
+			/* We will reuse this copy_pfn for a real 'nonzero' page. */
+			continue;
+		}
+		copy_pfn = memory_bm_next_pfn(copy_bm);
 	}
 }
 
@@ -1494,6 +1519,9 @@ static struct memory_bitmap orig_bm;
  */
 static struct memory_bitmap copy_bm;
 
+/* Memory bitmap which tracks which saveable pages were zero filled. */
+static struct memory_bitmap zero_bm;
+
 /**
  * swsusp_free - Free pages allocated for hibernation image.
  *
@@ -1756,6 +1784,12 @@ int hibernate_preallocate_memory(void)
 		goto err_out;
 	}
 
+	error = memory_bm_create(&zero_bm, GFP_IMAGE, PG_ANY);
+	if (error) {
+		pr_err("Cannot allocate zero bitmap\n");
+		goto err_out;
+	}
+
 	alloc_normal = 0;
 	alloc_highmem = 0;
 
@@ -2013,11 +2047,12 @@ static int swsusp_alloc(struct memory_bitmap *copy_bm,
 
 asmlinkage __visible int swsusp_save(void)
 {
-	unsigned int nr_pages, nr_highmem;
+	unsigned int nr_pages, nr_highmem, nr_zero_pages;
 
 	pr_info("Creating image:\n");
 
 	drain_local_pages(NULL);
+	nr_zero_pages = 0;
 	nr_pages = count_data_pages();
 	nr_highmem = count_highmem_pages();
 	pr_info("Need to copy %u pages\n", nr_pages + nr_highmem);
@@ -2037,19 +2072,23 @@ asmlinkage __visible int swsusp_save(void)
 	 * Kill them.
 	 */
 	drain_local_pages(NULL);
-	copy_data_pages(&copy_bm, &orig_bm);
+	copy_data_pages(&copy_bm, &orig_bm, &zero_bm);
 
 	/*
 	 * End of critical section. From now on, we can write to memory,
 	 * but we should not touch disk. This specially means we must _not_
 	 * touch swap space! Except we must write out our image of course.
 	 */
+	memory_bm_position_reset(&zero_bm);
+	while (memory_bm_next_pfn(&zero_bm) != BM_END_OF_MAP)
+		nr_zero_pages++;
 
 	nr_pages += nr_highmem;
-	nr_copy_pages = nr_pages;
+	/* We don't actually copy the zero pages */
+	nr_copy_pages = nr_pages - nr_zero_pages;
 	nr_meta_pages = DIV_ROUND_UP(nr_pages * sizeof(long), PAGE_SIZE);
 
-	pr_info("Image created (%d pages copied)\n", nr_pages);
+	pr_info("Image created (%d pages copied, %d zero pages)\n", nr_copy_pages, nr_zero_pages);
 
 	return 0;
 }
@@ -2094,15 +2133,22 @@ static int init_header(struct swsusp_info *info)
 	return init_header_complete(info);
 }
 
+#define ENCODED_PFN_ZERO_FLAG (1UL << (BITS_PER_LONG - 1))
+#define ENCODED_PFN_MASK (~ENCODED_PFN_ZERO_FLAG)
+
 /**
  * pack_pfns - Prepare PFNs for saving.
  * @bm: Memory bitmap.
  * @buf: Memory buffer to store the PFNs in.
+ * @zero_bm: Memory bitmap containing PFNs of zero pages.
  *
  * PFNs corresponding to set bits in @bm are stored in the area of memory
- * pointed to by @buf (1 page at a time).
+ * pointed to by @buf (1 page at a time). Pages which were filled with only
+ * zeros will have the highest bit set in the packed format to distinguish
+ * them from PFNs which will be contained in the image file.
  */
-static inline void pack_pfns(unsigned long *buf, struct memory_bitmap *bm)
+static inline void pack_pfns(unsigned long *buf, struct memory_bitmap *bm,
+		struct memory_bitmap *zero_bm)
 {
 	int j;
 
@@ -2110,6 +2156,8 @@ static inline void pack_pfns(unsigned long *buf, struct memory_bitmap *bm)
 		buf[j] = memory_bm_next_pfn(bm);
 		if (unlikely(buf[j] == BM_END_OF_MAP))
 			break;
+		if (memory_bm_test_bit(zero_bm, buf[j]))
+			buf[j] |= ENCODED_PFN_ZERO_FLAG;
 	}
 }
 
@@ -2151,7 +2199,7 @@ int snapshot_read_next(struct snapshot_handle *handle)
 		memory_bm_position_reset(&copy_bm);
 	} else if (handle->cur <= nr_meta_pages) {
 		clear_page(buffer);
-		pack_pfns(buffer, &orig_bm);
+		pack_pfns(buffer, &orig_bm, &zero_bm);
 	} else {
 		struct page *page;
 
@@ -2247,24 +2295,30 @@ static int load_header(struct swsusp_info *info)
  * unpack_orig_pfns - Set bits corresponding to given PFNs in a memory bitmap.
  * @bm: Memory bitmap.
  * @buf: Area of memory containing the PFNs.
+ * @zero_bm: Memory bitmap which will be populated with the PFNs of zero pages.
  *
  * For each element of the array pointed to by @buf (1 page at a time), set the
- * corresponding bit in @bm.
+ * corresponding bit in @bm. If the page was originally populated with only
+ * zeros then a corresponding bit will also be set in @zero_bm.
  */
-static int unpack_orig_pfns(unsigned long *buf, struct memory_bitmap *bm)
+static int unpack_orig_pfns(unsigned long *buf, struct memory_bitmap *bm,
+		struct memory_bitmap *zero_bm)
 {
-	int j;
+	int j, zero;
+	unsigned long decoded_pfn;
 
 	for (j = 0; j < PAGE_SIZE / sizeof(long); j++) {
 		if (unlikely(buf[j] == BM_END_OF_MAP))
 			break;
 
-		if (pfn_valid(buf[j]) && memory_bm_pfn_present(bm, buf[j])) {
-			memory_bm_set_bit(bm, buf[j]);
+		zero = !!(buf[j] & ENCODED_PFN_ZERO_FLAG);
+		decoded_pfn = buf[j] & ENCODED_PFN_MASK;
+		if (pfn_valid(decoded_pfn) && memory_bm_pfn_present(bm, decoded_pfn)) {
+			memory_bm_set_bit(bm, decoded_pfn);
 		} else {
-			if (!pfn_valid(buf[j]))
+			if (!pfn_valid(decoded_pfn))
 				pr_err(FW_BUG "Memory map mismatch at 0x%llx after hibernation\n",
-				       (unsigned long long)PFN_PHYS(buf[j]));
+				       (unsigned long long)PFN_PHYS(decoded_pfn));
 			return -EFAULT;
 		}
 	}
@@ -2631,6 +2685,7 @@ int snapshot_write_next(struct snapshot_handle *handle)
 	static struct chain_allocator ca;
 	int error = 0;
 
+next:
 	/* Check if we have already loaded the entire image */
 	if (handle->cur > 1 && handle->cur > nr_meta_pages + nr_copy_pages)
 		return 0;
@@ -2657,9 +2712,13 @@ int snapshot_write_next(struct snapshot_handle *handle)
 		if (error)
 			return error;
 
+		error = memory_bm_create(&zero_bm, GFP_ATOMIC, PG_ANY);
+		if (error)
+			return error;
+
 		hibernate_restore_protection_begin();
 	} else if (handle->cur <= nr_meta_pages + 1) {
-		error = unpack_orig_pfns(buffer, &copy_bm);
+		error = unpack_orig_pfns(buffer, &copy_bm, &zero_bm);
 		if (error)
 			return error;
 
@@ -2686,6 +2745,14 @@ int snapshot_write_next(struct snapshot_handle *handle)
 			handle->sync_read = 0;
 	}
 	handle->cur++;
+
+	/* Zero pages were not included in the image, memset it and move on. */
+	if ((handle->cur > nr_meta_pages + 1) &&
+			memory_bm_test_bit(&zero_bm, memory_bm_get_current(&orig_bm))) {
+		memset(handle->buffer, 0, PAGE_SIZE);
+		goto next;
+	}
+
 	return PAGE_SIZE;
 }