Re: hlist_node v/s list_head

[Neependra Khare <neependra.khare@xxxxxxxxx>]

On Wed, Apr 7, 2010 at 5:09 PM, Onkar Mahajan <kern.devel@xxxxxxxxx> wrote:

hi All,

struct hlist_head {
    struct hlist_node *first;
};

struct hlist_node {
    struct hlist_node *next, **pprev;<--------------------------------
};

Why there is a double pointer here  ??

Hope this helps:-
http://mail.nl.linux.org/kernelnewbies/2008-02/msg00001.html
 http://lkml.org/lkml/2000/7/28/10

Neependra

struct list_head {
    struct list_head *next, *prev;
};


Regards,
Onkar