diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 5 | ||||
| -rw-r--r-- | Documentation/filesystems/proc.txt | 18 | ||||
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 4 |
3 files changed, 22 insertions, 5 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 247d7f619aa2..eb1a6cad21e6 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking | |||
| @@ -356,10 +356,9 @@ The last two are called only from check_disk_change(). | |||
| 356 | prototypes: | 356 | prototypes: |
| 357 | loff_t (*llseek) (struct file *, loff_t, int); | 357 | loff_t (*llseek) (struct file *, loff_t, int); |
| 358 | ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); | 358 | ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); |
| 359 | ssize_t (*aio_read) (struct kiocb *, char __user *, size_t, loff_t); | ||
| 360 | ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); | 359 | ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); |
| 361 | ssize_t (*aio_write) (struct kiocb *, const char __user *, size_t, | 360 | ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t); |
| 362 | loff_t); | 361 | ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t); |
| 363 | int (*readdir) (struct file *, void *, filldir_t); | 362 | int (*readdir) (struct file *, void *, filldir_t); |
| 364 | unsigned int (*poll) (struct file *, struct poll_table_struct *); | 363 | unsigned int (*poll) (struct file *, struct poll_table_struct *); |
| 365 | int (*ioctl) (struct inode *, struct file *, unsigned int, | 364 | int (*ioctl) (struct inode *, struct file *, unsigned int, |
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 7db71d6fba82..7240ee7515de 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt | |||
| @@ -39,6 +39,8 @@ Table of Contents | |||
| 39 | 2.9 Appletalk | 39 | 2.9 Appletalk |
| 40 | 2.10 IPX | 40 | 2.10 IPX |
| 41 | 2.11 /proc/sys/fs/mqueue - POSIX message queues filesystem | 41 | 2.11 /proc/sys/fs/mqueue - POSIX message queues filesystem |
| 42 | 2.12 /proc/<pid>/oom_adj - Adjust the oom-killer score | ||
| 43 | 2.13 /proc/<pid>/oom_score - Display current oom-killer score | ||
| 42 | 44 | ||
| 43 | ------------------------------------------------------------------------------ | 45 | ------------------------------------------------------------------------------ |
| 44 | Preface | 46 | Preface |
| @@ -1962,6 +1964,22 @@ a queue must be less or equal then msg_max. | |||
| 1962 | maximum message size value (it is every message queue's attribute set during | 1964 | maximum message size value (it is every message queue's attribute set during |
| 1963 | its creation). | 1965 | its creation). |
| 1964 | 1966 | ||
| 1967 | 2.12 /proc/<pid>/oom_adj - Adjust the oom-killer score | ||
| 1968 | ------------------------------------------------------ | ||
| 1969 | |||
| 1970 | This file can be used to adjust the score used to select which processes | ||
| 1971 | should be killed in an out-of-memory situation. Giving it a high score will | ||
| 1972 | increase the likelihood of this process being killed by the oom-killer. Valid | ||
| 1973 | values are in the range -16 to +15, plus the special value -17, which disables | ||
| 1974 | oom-killing altogether for this process. | ||
| 1975 | |||
| 1976 | 2.13 /proc/<pid>/oom_score - Display current oom-killer score | ||
| 1977 | ------------------------------------------------------------- | ||
| 1978 | |||
| 1979 | ------------------------------------------------------------------------------ | ||
| 1980 | This file can be used to check the current score used by the oom-killer is for | ||
| 1981 | any given <pid>. Use it together with /proc/<pid>/oom_adj to tune which | ||
| 1982 | process should be killed in an out-of-memory situation. | ||
| 1965 | 1983 | ||
| 1966 | ------------------------------------------------------------------------------ | 1984 | ------------------------------------------------------------------------------ |
| 1967 | Summary | 1985 | Summary |
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 1cb7e8be927a..cd07c21b8400 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt | |||
| @@ -699,9 +699,9 @@ This describes how the VFS can manipulate an open file. As of kernel | |||
| 699 | struct file_operations { | 699 | struct file_operations { |
| 700 | loff_t (*llseek) (struct file *, loff_t, int); | 700 | loff_t (*llseek) (struct file *, loff_t, int); |
| 701 | ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); | 701 | ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); |
| 702 | ssize_t (*aio_read) (struct kiocb *, char __user *, size_t, loff_t); | ||
| 703 | ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); | 702 | ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); |
| 704 | ssize_t (*aio_write) (struct kiocb *, const char __user *, size_t, loff_t); | 703 | ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t); |
| 704 | ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t); | ||
| 705 | int (*readdir) (struct file *, void *, filldir_t); | 705 | int (*readdir) (struct file *, void *, filldir_t); |
| 706 | unsigned int (*poll) (struct file *, struct poll_table_struct *); | 706 | unsigned int (*poll) (struct file *, struct poll_table_struct *); |
| 707 | int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long); | 707 | int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long); |
