--- a/include/linux/pagemap.h	2013-06-01 00:11:09.206755761 +0300
+++ b/include/linux/pagemap.h	2013-06-01 00:11:54.466756873 +0300
@@ -421,8 +421,10 @@
 		const char __user *end = uaddr + size - 1;
 
 		if (((unsigned long)uaddr & PAGE_MASK) !=
-				((unsigned long)end & PAGE_MASK))
-		 	ret = __get_user(c, end);
+				((unsigned long)end & PAGE_MASK)) {
+			ret = __get_user(c, end);
+			(void)c;
+		}
 	}
 	return ret;
 }
--- a/arch/rlx/mm/init.c	2013-05-31 23:48:35.526722498 +0300
+++ b/arch/rlx/mm/init.c	2013-05-31 23:48:49.186722833 +0300
@@ -222,7 +222,6 @@
 void __init paging_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
-	unsigned long lastpfn;
 
 	pagetable_init();
 
@@ -238,10 +237,8 @@
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
 #endif
 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-	lastpfn = max_low_pfn;
 #ifdef CONFIG_HIGHMEM
 	max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
-	lastpfn = highend_pfn;
 #endif
 
 	free_area_init_nodes(max_zone_pfns);
--- a/arch/rlx/mm/page-rlx.c	2013-06-01 00:23:35.690774104 +0300
+++ b/arch/rlx/mm/page-rlx.c	2013-06-01 00:26:41.074778659 +0300
@@ -222,7 +222,7 @@
 
 void __cpuinit build_clear_page(void)
 {
-	unsigned int loop_start;
+	//unsigned int loop_start;
 	unsigned long off;
 
 	epc = (unsigned int *) &clear_page_array;
@@ -241,7 +241,7 @@
 	//} while (store_offset < half_scache_line_size());
 
 	build_addiu_a0(2 * store_offset);
-	loop_start = store_offset;
+	//loop_start = store_offset;
 	//do {
 		build_store_reg(0);
 		build_store_reg(0);
@@ -257,7 +257,7 @@
 
 void __cpuinit build_copy_page(void)
 {
-	unsigned int loop_start;
+	//unsigned int loop_start;
 
 	epc = (unsigned int *) &copy_page_array;
 	store_offset = load_offset = 0;
@@ -266,7 +266,7 @@
 	build_addiu_a2_a0(PAGE_SIZE);
 
     dest = label();
-	loop_start = store_offset;
+	//loop_start = store_offset;
 	//do {
 		build_load_reg( 8);
 		build_load_reg( 9);
@@ -280,7 +280,7 @@
 
 	build_addiu_a0(2 * store_offset);
 	build_addiu_a1(2 * load_offset);
-	loop_start = store_offset;
+	//loop_start = store_offset;
 	//do {
 		build_load_reg( 8);
 		build_load_reg( 9);