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authorJustus Winter <4winter@informatik.uni-hamburg.de>2015-07-25 02:21:33 +0200
committerJustus Winter <4winter@informatik.uni-hamburg.de>2015-08-28 15:47:56 +0200
commitcf94d0c9409571d8287524abf4c03c23fb5d3a2d (patch)
treef6e0746b03552e8dff10d01dc83c54fa838423c3 /vm
parent30ccdf4630fe9d27ffc6c260e87404a2befcc8df (diff)
vm/object: use a general lock to protect the object cache
* vm/vm_object.c: Use a general lock to protect the object cache.
Diffstat (limited to 'vm')
-rw-r--r--vm/vm_object.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/vm/vm_object.c b/vm/vm_object.c
index 36dbd8b..4b31482 100644
--- a/vm/vm_object.c
+++ b/vm/vm_object.c
@@ -178,14 +178,16 @@ queue_head_t vm_object_cached_list;
int vm_object_cached_count;
int vm_object_cached_max = 4000; /* may be patched*/
-decl_simple_lock_data(,vm_object_cached_lock_data)
+struct lock vm_object_cache_lock_data;
+#define vm_object_cache_lock_init() \
+ lock_init(&vm_object_cache_lock_data, FALSE)
#define vm_object_cache_lock() \
- simple_lock(&vm_object_cached_lock_data)
+ lock_write(&vm_object_cache_lock_data)
#define vm_object_cache_lock_try() \
- simple_lock_try(&vm_object_cached_lock_data)
+ lock_try_write(&vm_object_cache_lock_data)
#define vm_object_cache_unlock() \
- simple_unlock(&vm_object_cached_lock_data)
+ lock_write_done(&vm_object_cache_lock_data)
/*
* Number of physical pages referenced by cached objects.
@@ -266,7 +268,7 @@ void vm_object_bootstrap(void)
sizeof(struct vm_object), 0, NULL, NULL, NULL, 0);
queue_init(&vm_object_cached_list);
- simple_lock_init(&vm_object_cached_lock_data);
+ vm_object_cache_lock_init();
/*
* Fill in a template object, for quick initialization