diff --git a/fs/file.c b/fs/file.c
index 6b1acdf..69d6990 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -23,12 +23,12 @@
 #include <linux/rcupdate.h>
 #include <linux/workqueue.h>
 
-int sysctl_nr_open __read_mostly = 1024*1024;
-int sysctl_nr_open_min = BITS_PER_LONG;
+unsigned int sysctl_nr_open __read_mostly = 1024*1024;
+unsigned int sysctl_nr_open_min = BITS_PER_LONG;
 /* our min() is unusable in constant expressions ;-/ */
 #define __const_min(x, y) ((x) < (y) ? (x) : (y))
-int sysctl_nr_open_max = __const_min(INT_MAX, ~(size_t)0/sizeof(void *)) &
-			 -BITS_PER_LONG;
+unsigned int sysctl_nr_open_max =
+	__const_min(INT_MAX, ~(size_t)0/sizeof(void *)) & -BITS_PER_LONG;
 
 static void *alloc_fdmem(size_t size)
 {
@@ -163,7 +163,7 @@
  * Return <0 error code on error; 1 on successful completion.
  * The files->file_lock should be held on entry, and will be held on exit.
  */
-static int expand_fdtable(struct files_struct *files, int nr)
+static int expand_fdtable(struct files_struct *files, unsigned int nr)
 	__releases(files->file_lock)
 	__acquires(files->file_lock)
 {
@@ -208,7 +208,7 @@
  * expanded and execution may have blocked.
  * The files->file_lock should be held on entry, and will be held on exit.
  */
-static int expand_files(struct files_struct *files, int nr)
+static int expand_files(struct files_struct *files, unsigned int nr)
 	__releases(files->file_lock)
 	__acquires(files->file_lock)
 {
@@ -243,12 +243,12 @@
 	return expanded;
 }
 
-static inline void __set_close_on_exec(int fd, struct fdtable *fdt)
+static inline void __set_close_on_exec(unsigned int fd, struct fdtable *fdt)
 {
 	__set_bit(fd, fdt->close_on_exec);
 }
 
-static inline void __clear_close_on_exec(int fd, struct fdtable *fdt)
+static inline void __clear_close_on_exec(unsigned int fd, struct fdtable *fdt)
 {
 	if (test_bit(fd, fdt->close_on_exec))
 		__clear_bit(fd, fdt->close_on_exec);
@@ -268,10 +268,10 @@
 	__clear_bit(fd / BITS_PER_LONG, fdt->full_fds_bits);
 }
 
-static int count_open_files(struct fdtable *fdt)
+static unsigned int count_open_files(struct fdtable *fdt)
 {
-	int size = fdt->max_fds;
-	int i;
+	unsigned int size = fdt->max_fds;
+	unsigned int i;
 
 	/* Find the last open fd */
 	for (i = size / BITS_PER_LONG; i > 0; ) {
@@ -291,7 +291,7 @@
 {
 	struct files_struct *newf;
 	struct file **old_fds, **new_fds;
-	int open_files, i;
+	unsigned int open_files, i;
 	struct fdtable *old_fdt, *new_fdt;
 
 	*errorp = -ENOMEM;
@@ -391,7 +391,7 @@
 	 * files structure.
 	 */
 	struct fdtable *fdt = rcu_dereference_raw(files->fdt);
-	int i, j = 0;
+	unsigned int i, j = 0;
 
 	for (;;) {
 		unsigned long set;
@@ -477,11 +477,11 @@
 	.file_lock	= __SPIN_LOCK_UNLOCKED(init_files.file_lock),
 };
 
-static unsigned long find_next_fd(struct fdtable *fdt, unsigned long start)
+static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start)
 {
-	unsigned long maxfd = fdt->max_fds;
-	unsigned long maxbit = maxfd / BITS_PER_LONG;
-	unsigned long bitbit = start / BITS_PER_LONG;
+	unsigned int maxfd = fdt->max_fds;
+	unsigned int maxbit = maxfd / BITS_PER_LONG;
+	unsigned int bitbit = start / BITS_PER_LONG;
 
 	bitbit = find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) * BITS_PER_LONG;
 	if (bitbit > maxfd)