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authorDave Jones <davej@redhat.com>2006-09-29 12:59:00 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 20:18:05 +0400
commit199a9afc3dbe98c35326f1d3907ab94dae953a6e (patch)
treef656df600bec86e8764af2e33bc4a0b98330e758 /include/linux/list.h
parentdf67b3daea602728b51325a4debaeeb912ee51d1 (diff)
downloadlinux-199a9afc3dbe98c35326f1d3907ab94dae953a6e.tar.xz
[PATCH] Debug variants of linked list macros
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/list.h')
-rw-r--r--include/linux/list.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h
index 65a5b5ceda49..a9c90287c0ff 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -39,6 +39,7 @@ static inline void INIT_LIST_HEAD(struct list_head *list)
* This is only for internal list manipulation where we know
* the prev/next entries already!
*/
+#ifndef CONFIG_DEBUG_LIST
static inline void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
@@ -48,6 +49,11 @@ static inline void __list_add(struct list_head *new,
new->prev = prev;
prev->next = new;
}
+#else
+extern void __list_add(struct list_head *new,
+ struct list_head *prev,
+ struct list_head *next);
+#endif
/**
* list_add - add a new entry
@@ -57,10 +63,15 @@ static inline void __list_add(struct list_head *new,
* Insert a new entry after the specified head.
* This is good for implementing stacks.
*/
+#ifndef CONFIG_DEBUG_LIST
static inline void list_add(struct list_head *new, struct list_head *head)
{
__list_add(new, head, head->next);
}
+#else
+extern void list_add(struct list_head *new, struct list_head *head);
+#endif
+
/**
* list_add_tail - add a new entry
@@ -153,12 +164,16 @@ static inline void __list_del(struct list_head * prev, struct list_head * next)
* Note: list_empty on entry does not return true after this, the entry is
* in an undefined state.
*/
+#ifndef CONFIG_DEBUG_LIST
static inline void list_del(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
entry->next = LIST_POISON1;
entry->prev = LIST_POISON2;
}
+#else
+extern void list_del(struct list_head *entry);
+#endif
/**
* list_del_rcu - deletes entry from list without re-initialization