7 files changed, 41 insertions, 5 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index cdef6cea89..b65187f0c7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -208,8 +208,10 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm)
                 struct file *file;
 
                 if (mpnt->vm_flags & VM_DONTCOPY) {
+                        long pages = vma_pages(mpnt);
+                        mm->total_vm -= pages;
                         __vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
-                                                        -vma_pages(mpnt));
+                                                                -pages);
                         continue;
                 }
                 charge = 0;
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index c51a4d96d4..3ec789c6b5 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -16,6 +16,8 @@
 #include <linux/device.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
+#include <linux/mount.h>
+
 #include "power.h"
 
 
diff --git a/kernel/power/main.c b/kernel/power/main.c
index c94cb9e950..71aa0fd220 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -19,6 +19,9 @@
 
 #include "power.h"
 
+/*This is just an arbitrary number */
+#define FREE_PAGE_NUMBER (100)
+
 DECLARE_MUTEX(pm_sem);
 
 struct pm_ops * pm_ops = NULL;
@@ -49,6 +52,7 @@ void pm_set_ops(struct pm_ops * ops)
 static int suspend_prepare(suspend_state_t state)
 {
         int error = 0;
+        unsigned int free_pages;
 
         if (!pm_ops || !pm_ops->enter)
                 return -EPERM;
@@ -67,6 +71,16 @@ static int suspend_prepare(suspend_state_t state)
                 goto Thaw;
         }
 
+        if ((free_pages = nr_free_pages()) < FREE_PAGE_NUMBER) {
+                pr_debug("PM: free some memory\n");
+                shrink_all_memory(FREE_PAGE_NUMBER - free_pages);
+                if (nr_free_pages() < FREE_PAGE_NUMBER) {
+                        error = -ENOMEM;
+                        printk(KERN_ERR "PM: No enough memory\n");
+                        goto Thaw;
+                }
+        }
+
         if (pm_ops->prepare) {
                 if ((error = pm_ops->prepare(state)))
                         goto Thaw;
@@ -194,7 +208,7 @@ int software_suspend(void)
 
 int pm_suspend(suspend_state_t state)
 {
-        if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX)
+        if (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX)
                 return enter_state(state);
         return -EINVAL;
 }
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 7d7801cd01..f2bc71b9fe 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -63,6 +63,7 @@
 #include <linux/console.h>
 #include <linux/highmem.h>
 #include <linux/bio.h>
+#include <linux/mount.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -1260,8 +1261,6 @@ static int data_read(struct pbe *pblist)
         return error;
 }
 
-extern dev_t name_to_dev_t(const char *line);
-
 /**
  *      read_pagedir - Read page backup list pages from swap
  */
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 29196ce9b4..42b40ae5ea 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -80,6 +80,9 @@ cond_syscall(sys_keyctl);
 cond_syscall(compat_sys_keyctl);
 cond_syscall(compat_sys_socketcall);
 cond_syscall(sys_set_zone_reclaim);
+cond_syscall(sys_inotify_init);
+cond_syscall(sys_inotify_add_watch);
+cond_syscall(sys_inotify_rm_watch);
 
 /* arch-specific weak syscall entries */
 cond_syscall(sys_pciconfig_read);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 270ee7fadb..e60b9c36f1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -146,6 +146,9 @@ extern ctl_table random_table[];
 #ifdef CONFIG_UNIX98_PTYS
 extern ctl_table pty_table[];
 #endif
+#ifdef CONFIG_INOTIFY
+extern ctl_table inotify_table[];
+#endif
 
 #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
 int sysctl_legacy_va_layout;
@@ -218,6 +221,7 @@ static ctl_table root_table[] = {
                 .mode           = 0555,
                 .child          = dev_table,
         },
+
         { .ctl_name = 0 }
 };
 
@@ -950,6 +954,14 @@ static ctl_table fs_table[] = {
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec,
         },
+#ifdef CONFIG_INOTIFY
+        {
+                .ctl_name       = FS_INOTIFY,
+                .procname       = "inotify",
+                .mode           = 0555,
+                .child          = inotify_table,
+        },
+#endif  
 #endif
         {
                 .ctl_name       = KERN_SETUID_DUMPABLE,
@@ -968,7 +980,7 @@ static ctl_table debug_table[] = {
 
 static ctl_table dev_table[] = {
         { .ctl_name = 0 }
-};  
+};
 
 extern void init_irq_proc (void);
 
diff --git a/kernel/user.c b/kernel/user.c
index 734575d557..89e562feb1 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -120,6 +120,10 @@ struct user_struct * alloc_uid(uid_t uid)
                 atomic_set(&new->processes, 0);
                 atomic_set(&new->files, 0);
                 atomic_set(&new->sigpending, 0);
+#ifdef CONFIG_INOTIFY
+                atomic_set(&new->inotify_watches, 0);
+                atomic_set(&new->inotify_devs, 0);
+#endif
 
                 new->mq_bytes = 0;
                 new->locked_shm = 0;