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authoralc <alc@FreeBSD.org>2002-05-04 20:23:48 +0000
committeralc <alc@FreeBSD.org>2002-05-04 20:23:48 +0000
commitc281c83bd5bf4d6045f082692f107fd7781140a3 (patch)
tree7846226132e03d6288f141434b92a11b8050e604 /sys/vm/vm_object.h
parent8ffbddb82f212c7ce9a879dd1387cb7e60f22692 (diff)
downloadFreeBSD-src-c281c83bd5bf4d6045f082692f107fd7781140a3.zip
FreeBSD-src-c281c83bd5bf4d6045f082692f107fd7781140a3.tar.gz
o Make _vm_object_allocate() and vm_object_allocate() callable
without holding Giant. o Begin documenting the trivial cases of the locking protocol on vm_object.
Diffstat (limited to 'sys/vm/vm_object.h')
-rw-r--r--sys/vm/vm_object.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h
index 62244a9..97f12de 100644
--- a/sys/vm/vm_object.h
+++ b/sys/vm/vm_object.h
@@ -82,6 +82,9 @@ typedef u_char objtype_t;
*
* vm_object_t Virtual memory object.
*
+ * List of locks
+ * (c) const until freed
+ *
*/
struct vm_object {
@@ -93,10 +96,10 @@ struct vm_object {
vm_size_t size; /* Object size */
int ref_count; /* How many refs?? */
int shadow_count; /* how many objects that this is a shadow for */
- int hash_rand; /* vm hash table randomizer */
+ int hash_rand; /* (c) hash table randomizer */
objtype_t type; /* type of pager */
u_short flags; /* see below */
- u_short pg_color; /* color of first page in obj */
+ u_short pg_color; /* (c) color of first page in obj */
u_short paging_in_progress; /* Paging (in or out) so don't collapse or destroy */
int resident_page_count; /* number of resident pages */
struct vm_object *backing_object; /* object that I'm a shadow of */
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