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-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/decompress/generic.h32
-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--include/linux/input/matrix_keypad.h13
-rw-r--r--include/linux/nodemask.h28
-rw-r--r--include/linux/perf_counter.h13
-rw-r--r--include/linux/tty_ldisc.h2
7 files changed, 69 insertions, 22 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index e7cb5dbf6c26..69103e053c92 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -913,6 +913,7 @@ extern void blk_queue_logical_block_size(struct request_queue *, unsigned short)
extern void blk_queue_physical_block_size(struct request_queue *, unsigned short);
extern void blk_queue_alignment_offset(struct request_queue *q,
unsigned int alignment);
+extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_default_limits(struct queue_limits *lim);
diff --git a/include/linux/decompress/generic.h b/include/linux/decompress/generic.h
index 6dfb856327bb..0c7111a55a1a 100644
--- a/include/linux/decompress/generic.h
+++ b/include/linux/decompress/generic.h
@@ -1,31 +1,37 @@
#ifndef DECOMPRESS_GENERIC_H
#define DECOMPRESS_GENERIC_H
-/* Minimal chunksize to be read.
- *Bzip2 prefers at least 4096
- *Lzma prefers 0x10000 */
-#define COMPR_IOBUF_SIZE 4096
-
typedef int (*decompress_fn) (unsigned char *inbuf, int len,
int(*fill)(void*, unsigned int),
- int(*writebb)(void*, unsigned int),
- unsigned char *output,
+ int(*flush)(void*, unsigned int),
+ unsigned char *outbuf,
int *posp,
void(*error)(char *x));
/* inbuf - input buffer
*len - len of pre-read data in inbuf
- *fill - function to fill inbuf if empty
- *writebb - function to write out outbug
+ *fill - function to fill inbuf when empty
+ *flush - function to write out outbuf
+ *outbuf - output buffer
*posp - if non-null, input position (number of bytes read) will be
* returned here
*
- *If len != 0, the inbuf is initialized (with as much data), and fill
- *should not be called
- *If len = 0, the inbuf is allocated, but empty. Its size is IOBUF_SIZE
- *fill should be called (repeatedly...) to read data, at most IOBUF_SIZE
+ *If len != 0, inbuf should contain all the necessary input data, and fill
+ *should be NULL
+ *If len = 0, inbuf can be NULL, in which case the decompressor will allocate
+ *the input buffer. If inbuf != NULL it must be at least XXX_IOBUF_SIZE bytes.
+ *fill will be called (repeatedly...) to read data, at most XXX_IOBUF_SIZE
+ *bytes should be read per call. Replace XXX with the appropriate decompressor
+ *name, i.e. LZMA_IOBUF_SIZE.
+ *
+ *If flush = NULL, outbuf must be large enough to buffer all the expected
+ *output. If flush != NULL, the output buffer will be allocated by the
+ *decompressor (outbuf = NULL), and the flush function will be called to
+ *flush the output buffer at the appropriate time (decompressor and stream
+ *dependent).
*/
+
/* Utility routine to detect the decompression method */
decompress_fn decompress_method(const unsigned char *inbuf, int len,
const char **name);
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index acef2a770b6b..ad27c7da8798 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -82,7 +82,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)
#define IN_DEV_MFORWARD(in_dev) IN_DEV_ANDCONF((in_dev), MC_FORWARDING)
-#define IN_DEV_RPFILTER(in_dev) IN_DEV_ANDCONF((in_dev), RP_FILTER)
+#define IN_DEV_RPFILTER(in_dev) IN_DEV_MAXCONF((in_dev), RP_FILTER)
#define IN_DEV_SOURCE_ROUTE(in_dev) IN_DEV_ANDCONF((in_dev), \
ACCEPT_SOURCE_ROUTE)
#define IN_DEV_BOOTP_RELAY(in_dev) IN_DEV_ANDCONF((in_dev), BOOTP_RELAY)
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 7964516c6954..15d5903af2dd 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -15,12 +15,13 @@
#define KEY_COL(k) (((k) >> 16) & 0xff)
#define KEY_VAL(k) ((k) & 0xffff)
+#define MATRIX_SCAN_CODE(row, col, row_shift) (((row) << (row_shift)) + (col))
+
/**
* struct matrix_keymap_data - keymap for matrix keyboards
* @keymap: pointer to array of uint32 values encoded with KEY() macro
* representing keymap
* @keymap_size: number of entries (initialized) in this keymap
- * @max_keymap_size: maximum size of keymap supported by the device
*
* This structure is supposed to be used by platform code to supply
* keymaps to drivers that implement matrix-like keypads/keyboards.
@@ -28,14 +29,13 @@
struct matrix_keymap_data {
const uint32_t *keymap;
unsigned int keymap_size;
- unsigned int max_keymap_size;
};
/**
* struct matrix_keypad_platform_data - platform-dependent keypad data
* @keymap_data: pointer to &matrix_keymap_data
- * @row_gpios: array of gpio numbers reporesenting rows
- * @col_gpios: array of gpio numbers reporesenting colums
+ * @row_gpios: pointer to array of gpio numbers representing rows
+ * @col_gpios: pointer to array of gpio numbers reporesenting colums
* @num_row_gpios: actual number of row gpios used by device
* @num_col_gpios: actual number of col gpios used by device
* @col_scan_delay_us: delay, measured in microseconds, that is
@@ -48,8 +48,9 @@ struct matrix_keymap_data {
struct matrix_keypad_platform_data {
const struct matrix_keymap_data *keymap_data;
- unsigned int row_gpios[MATRIX_MAX_ROWS];
- unsigned int col_gpios[MATRIX_MAX_COLS];
+ const unsigned int *row_gpios;
+ const unsigned int *col_gpios;
+
unsigned int num_row_gpios;
unsigned int num_col_gpios;
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 829b94b156f2..b359c4a9ec9e 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -82,6 +82,12 @@
* to generate slightly worse code. So use a simple one-line #define
* for node_isset(), instead of wrapping an inline inside a macro, the
* way we do the other calls.
+ *
+ * NODEMASK_SCRATCH
+ * When doing above logical AND, OR, XOR, Remap operations the callers tend to
+ * need temporary nodemask_t's on the stack. But if NODES_SHIFT is large,
+ * nodemask_t's consume too much stack space. NODEMASK_SCRATCH is a helper
+ * for such situations. See below and CPUMASK_ALLOC also.
*/
#include <linux/kernel.h>
@@ -473,4 +479,26 @@ static inline int num_node_state(enum node_states state)
#define for_each_node(node) for_each_node_state(node, N_POSSIBLE)
#define for_each_online_node(node) for_each_node_state(node, N_ONLINE)
+/*
+ * For nodemask scrach area.(See CPUMASK_ALLOC() in cpumask.h)
+ */
+
+#if NODES_SHIFT > 8 /* nodemask_t > 64 bytes */
+#define NODEMASK_ALLOC(x, m) struct x *m = kmalloc(sizeof(*m), GFP_KERNEL)
+#define NODEMASK_FREE(m) kfree(m)
+#else
+#define NODEMASK_ALLOC(x, m) struct x _m, *m = &_m
+#define NODEMASK_FREE(m)
+#endif
+
+/* A example struture for using NODEMASK_ALLOC, used in mempolicy. */
+struct nodemask_scratch {
+ nodemask_t mask1;
+ nodemask_t mask2;
+};
+
+#define NODEMASK_SCRATCH(x) NODEMASK_ALLOC(nodemask_scratch, x)
+#define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x)
+
+
#endif /* __LINUX_NODEMASK_H */
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index bd15d7a5f5ce..e604e6ef72dd 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -181,8 +181,9 @@ struct perf_counter_attr {
freq : 1, /* use freq, not period */
inherit_stat : 1, /* per task counts */
enable_on_exec : 1, /* next exec enables */
+ task : 1, /* trace fork/exit */
- __reserved_1 : 51;
+ __reserved_1 : 50;
__u32 wakeup_events; /* wakeup every n events */
__u32 __reserved_2;
@@ -311,6 +312,15 @@ enum perf_event_type {
/*
* struct {
* struct perf_event_header header;
+ * u32 pid, ppid;
+ * u32 tid, ptid;
+ * };
+ */
+ PERF_EVENT_EXIT = 4,
+
+ /*
+ * struct {
+ * struct perf_event_header header;
* u64 time;
* u64 id;
* u64 stream_id;
@@ -323,6 +333,7 @@ enum perf_event_type {
* struct {
* struct perf_event_header header;
* u32 pid, ppid;
+ * u32 tid, ptid;
* };
*/
PERF_EVENT_FORK = 7,
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 40f38d896777..0c4ee9b88f85 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -144,7 +144,7 @@ struct tty_ldisc_ops {
struct tty_ldisc {
struct tty_ldisc_ops *ops;
- int refcount;
+ atomic_t users;
};
#define TTY_LDISC_MAGIC 0x5403