mm: fix dirty_bytes/dirty_background_bytes sysctls on 64bit arches

[safe/jmp/linux-2.6] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index dc32dae..c17005e 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -209,7 +209,7 @@ int dirty_bytes_handler(struct ctl_table *table, int write,
                struct file *filp, void __user *buffer, size_t *lenp,
                loff_t *ppos)
 {
-       int old_bytes = vm_dirty_bytes;
+       unsigned long old_bytes = vm_dirty_bytes;
        int ret;
 
        ret = proc_doulongvec_minmax(table, write, filp, buffer, lenp, ppos);