linked lists linux kernel how they works?

[kernel.lover]

Hello,
In kernel source in list.h i found following info
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
What i want to know is how LIST_HEAD_INIT(name)
evaluted? what will first definition return to second one?
regards,
cranium

 

[Ben Pfaff]

In kernel source in list.h i found following info
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
What i want to know is how LIST_HEAD_INIT(name)
evaluted? what will first definition return to second one?

LIST_HEAD_INIT is an initializer for a struct list_head. You use
it in a declaration.

LIST_HEAD declares a struct list head and initializes it using
LIST_HEAD_INIT.