2010-06-16 (수), 22:50 -0400, Balachandar: > Hi, > I am trying to understand Linux Kernel implementation of linked list > and hash table. A link to the implementation is here. I understood the > linked list implementation. But i am little confused of why double > pointers is being used in hlist (**pprev). Link for hlist is here. I > understand that hlist is used in implementation of hash table since > head of the list requires only one pointer and it saves space. Why > cant it be done using single pointer (just *prev like the linked > list)? Please help me. > > > Thanks, > Bala IMHO **pprev is only needed for fast deletion and/or insertion. -- Regards, Namhyung Kim
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