xnu-2050.7.9.tar.gz

[apple/xnu.git] / osfmk / default_pager / default_pager_internal.h

diff --git a/osfmk/default_pager/default_pager_internal.h b/osfmk/default_pager/default_pager_internal.h
index d1c4883e10e249cabe11aef6cc673840c8c6d8ad..225ac237818046427f4a8056d392b353794423ee 100644 (file)
--- a/osfmk/default_pager/default_pager_internal.h
+++ b/osfmk/default_pager/default_pager_internal.h
@@ -87,12 +87,14 @@
 
 #define MACH_PORT_FACE mach_port_t
 
-#if 0
-#ifndef        USE_PRECIOUS
-#define        USE_PRECIOUS    TRUE
-#endif
+#if CONFIG_FREEZE
+#define        RECLAIM_SWAP    1
+#else
+#define        RECLAIM_SWAP    0
 #endif
 
+#define        USE_PRECIOUS    0
+
 #ifdef USER_PAGER
 #define UP(stuff)      stuff
 #else  /* USER_PAGER */
@@ -295,6 +297,7 @@ typedef struct backing_store        *backing_store_t;
 
 #ifdef MACH_KERNEL
 #define BS_LOCK_INIT(bs)       lck_mtx_init(&(bs)->bs_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define BS_LOCK_DESTROY(bs)    lck_mtx_destroy(&(bs)->bs_lock, &default_pager_lck_grp)
 #define BS_LOCK(bs)                    lck_mtx_lock(&(bs)->bs_lock)
 #define BS_UNLOCK(bs)          lck_mtx_unlock(&(bs)->bs_lock)
 
@@ -307,6 +310,7 @@ extern struct backing_store_list_head       backing_store_list;
 extern int     backing_store_release_trigger_disable;
 
 #define        BSL_LOCK_INIT()         lck_mtx_init(&backing_store_list.bsl_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define        BSL_LOCK_DESTROY()      lck_mtx_destroy(&backing_store_list.bsl_lock, &default_pager_lck_grp)
 #define BSL_LOCK()                     lck_mtx_lock(&backing_store_list.bsl_lock)
 #define BSL_UNLOCK()           lck_mtx_unlock(&backing_store_list.bsl_lock)
 
@@ -363,6 +367,7 @@ typedef struct paging_segment *paging_segment_t;
 #define PAGING_SEGMENT_NULL    ((paging_segment_t) 0)
 
 #define PS_LOCK_INIT(ps)       lck_mtx_init(&(ps)->ps_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define PS_LOCK_DESTROY(ps)    lck_mtx_destroy(&(ps)->ps_lock, &default_pager_lck_grp)
 #define PS_LOCK(ps)                    lck_mtx_lock(&(ps)->ps_lock)
 #define PS_UNLOCK(ps)          lck_mtx_unlock(&(ps)->ps_lock)
 
@@ -384,7 +389,8 @@ extern int  paging_segment_count;   /* number of active paging segments */
 extern int     paging_segment_max;     /* highest used paging segment index */
 extern int ps_select_array[DEFAULT_PAGER_BACKING_STORE_MAXPRI+1];
 
-#define        PSL_LOCK_INIT() lck_mtx_init(&paging_segments_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define        PSL_LOCK_INIT()         lck_mtx_init(&paging_segments_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define        PSL_LOCK_DESTROY()      lck_mtx_destroy(&paging_segments_lock, &default_pager_lck_grp)
 #define PSL_LOCK()             lck_mtx_lock(&paging_segments_lock)
 #define PSL_UNLOCK()   lck_mtx_unlock(&paging_segments_lock)
 
@@ -521,6 +527,7 @@ typedef struct vstruct_alias {
 } vstruct_alias_t;
 
 #define DPT_LOCK_INIT(lock)            lck_mtx_init(&(lock), &default_pager_lck_grp, &default_pager_lck_attr)
+#define DPT_LOCK_DESTROY(lock)         lck_mtx_destroy(&(lock), &default_pager_lck_grp)
 #define DPT_LOCK(lock)                 lck_mtx_lock(&(lock))
 #define DPT_UNLOCK(lock)               lck_mtx_unlock(&(lock))
 #define DPT_SLEEP(lock, e, i)  lck_mtx_sleep(&(lock), LCK_SLEEP_DEFAULT, (event_t)(e), i)
@@ -531,6 +538,7 @@ typedef struct vstruct_alias {
 #define VS_UNLOCK(vs)                  hw_lock_unlock(&(vs)->vs_lock)
 #define VS_MAP_LOCK_TYPE               lck_mtx_t
 #define VS_MAP_LOCK_INIT(vs)   lck_mtx_init(&(vs)->vs_map_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define VS_MAP_LOCK_DESTROY(vs)        lck_mtx_destroy(&(vs)->vs_map_lock, &default_pager_lck_grp)
 #define VS_MAP_LOCK(vs)                        lck_mtx_lock(&(vs)->vs_map_lock)
 #define VS_MAP_TRY_LOCK(vs)            lck_mtx_try_lock(&(vs)->vs_map_lock)
 #define VS_MAP_UNLOCK(vs)              lck_mtx_unlock(&(vs)->vs_map_lock)
@@ -658,6 +666,7 @@ extern lck_grp_t            default_pager_lck_grp;
 extern lck_attr_t              default_pager_lck_attr;
 
 #define VSL_LOCK_INIT()                lck_mtx_init(&vstruct_list.vsl_lock, &default_pager_lck_grp, &default_pager_lck_attr)
+#define VSL_LOCK_DESTROY()     lck_mtx_destroy(&vstruct_list.vsl_lock, &default_pager_lck_grp)
 #define VSL_LOCK()                     lck_mtx_lock(&vstruct_list.vsl_lock)
 #define VSL_LOCK_TRY()         lck_mtx_try_lock(&vstruct_list.vsl_lock)
 #define VSL_UNLOCK()           lck_mtx_unlock(&vstruct_list.vsl_lock)
@@ -737,6 +746,9 @@ extern boolean_t    bs_add_device(char *,
                                      MACH_PORT_FACE);
 extern vstruct_t       ps_vstruct_create(dp_size_t);
 extern void            ps_vstruct_dealloc(vstruct_t);
+extern void            ps_vstruct_reclaim(vstruct_t,
+                                          boolean_t,
+                                          boolean_t);
 extern kern_return_t   pvs_cluster_read(vstruct_t,
                                         dp_offset_t,
                                         dp_size_t,