3 files changed, 25 insertions, 4 deletions

diff --git a/lib/Makefile b/lib/Makefile
index 992a39ef9ffd..ae57f357fec0 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -4,7 +4,7 @@
 
 lib-y := ctype.o string.o vsprintf.o cmdline.o \
          rbtree.o radix-tree.o dump_stack.o \
-         idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \
+         idr.o int_sqrt.o bitmap.o extable.o prio_tree.o \
          sha1.o irq_regs.o reciprocal_div.o
 
 lib-$(CONFIG_MMU) += ioremap.o
@@ -12,7 +12,8 @@ lib-$(CONFIG_SMP) += cpumask.o
 
 lib-y   += kobject.o kref.o kobject_uevent.o klist.o
 
-obj-y += sort.o parser.o halfmd4.o debug_locks.o random32.o bust_spinlocks.o
+obj-y += div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
+         bust_spinlocks.o
 
 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
 CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/div64.c b/lib/div64.c
index 365719f84832..b71cf93c529a 100644
--- a/lib/div64.c
+++ b/lib/div64.c
@@ -23,7 +23,7 @@
 /* Not needed on 64bit architectures */
 #if BITS_PER_LONG == 32
 
-uint32_t __div64_32(uint64_t *n, uint32_t base)
+uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
 {
         uint64_t rem = *n;
         uint64_t b = base;
@@ -58,4 +58,24 @@ uint32_t __div64_32(uint64_t *n, uint32_t base)
 
 EXPORT_SYMBOL(__div64_32);
 
+/* 64bit divisor, dividend and result. dynamic precision */
+uint64_t div64_64(uint64_t dividend, uint64_t divisor)
+{
+        uint32_t high, d;
+
+        high = divisor >> 32;
+        if (high) {
+                unsigned int shift = fls(high);
+
+                d = divisor >> shift;
+                dividend >>= shift;
+        } else
+                d = divisor;
+
+        do_div(dividend, d);
+
+        return dividend;
+}
+EXPORT_SYMBOL(div64_64);
+
 #endif /* BITS_PER_LONG == 32 */
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 84272ed77f03..82fc1794b691 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -293,7 +293,7 @@ EXPORT_SYMBOL_GPL(add_uevent_var);
 static int __init kobject_uevent_init(void)
 {
         uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL,
-                                            THIS_MODULE);
+                                            NULL, THIS_MODULE);
 
         if (!uevent_sock) {
                 printk(KERN_ERR