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authorLen Brown <len.brown@intel.com>2005-09-08 01:45:47 -0400
committerLen Brown <len.brown@intel.com>2005-09-08 01:45:47 -0400
commit64e47488c913ac704d465a6af86a26786d1412a5 (patch)
treed3b0148592963dcde26e4bb35ddfec8b1eaf8e23 /include/linux/swap.h
parent4a35a46bf1cda4737c428380d1db5d15e2590d18 (diff)
parentcaf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff)
downloadop-kernel-dev-64e47488c913ac704d465a6af86a26786d1412a5.zip
op-kernel-dev-64e47488c913ac704d465a6af86a26786d1412a5.tar.gz
Merge linux-2.6 with linux-acpi-2.6
Diffstat (limited to 'include/linux/swap.h')
-rw-r--r--include/linux/swap.h22
1 files changed, 7 insertions, 15 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index bfe3e76..3c9ff00 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -107,6 +107,8 @@ enum {
SWP_USED = (1 << 0), /* is slot in swap_info[] used? */
SWP_WRITEOK = (1 << 1), /* ok to write to this swap? */
SWP_ACTIVE = (SWP_USED | SWP_WRITEOK),
+ /* add others here before... */
+ SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */
};
#define SWAP_CLUSTER_MAX 32
@@ -116,16 +118,13 @@ enum {
/*
* The in-memory structure used to track swap areas.
- * extent_list.prev points at the lowest-index extent. That list is
- * sorted.
*/
struct swap_info_struct {
unsigned int flags;
- spinlock_t sdev_lock;
+ int prio; /* swap priority */
struct file *swap_file;
struct block_device *bdev;
struct list_head extent_list;
- int nr_extents;
struct swap_extent *curr_swap_extent;
unsigned old_block_size;
unsigned short * swap_map;
@@ -133,10 +132,9 @@ struct swap_info_struct {
unsigned int highest_bit;
unsigned int cluster_next;
unsigned int cluster_nr;
- int prio; /* swap priority */
- int pages;
- unsigned long max;
- unsigned long inuse_pages;
+ unsigned int pages;
+ unsigned int max;
+ unsigned int inuse_pages;
int next; /* next entry on swap list */
};
@@ -222,13 +220,7 @@ extern int can_share_swap_page(struct page *);
extern int remove_exclusive_swap_page(struct page *);
struct backing_dev_info;
-extern struct swap_list_t swap_list;
-extern spinlock_t swaplock;
-
-#define swap_list_lock() spin_lock(&swaplock)
-#define swap_list_unlock() spin_unlock(&swaplock)
-#define swap_device_lock(p) spin_lock(&p->sdev_lock)
-#define swap_device_unlock(p) spin_unlock(&p->sdev_lock)
+extern spinlock_t swap_lock;
/* linux/mm/thrash.c */
extern struct mm_struct * swap_token_mm;
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