Auto merge with /home/aegl/GIT/linus

7 files changed, 41 insertions, 5 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index cdef6cea890..b65187f0c74 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 c51a4d96d4e..3ec789c6b53 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 c94cb9e9509..71aa0fd2200 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 7d7801cd01f..f2bc71b9fe8 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 29196ce9b40..42b40ae5ead 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 270ee7fadbd..e60b9c36f1f 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 734575d5576..89e562feb1b 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;