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SubjectRe: Fwd: [PATCH] Pageset Localization V2
On Wed, Mar 30, 2005 at 06:36:18PM +0530, shobhit dayal wrote:
> The goal here is to replace the head of a existing list pointed to by
> 'list' with a new head pointed to by 'nlist'.
> First there is a memcpy that copies the contents of list to nlist then
> this macro is called.
> The macro makes sure that if the old head was empty then INIT_LIST_HEAD
> the 'nlist', if not then make sure that the nodes before and after the
> head now correclty point to nlist instead of list.

Which would be much nicer done using INIT_LIST_HEAD on the new head
always and then calling list_replace (of which currently only a _rcu variant
exists).

Note to Christoph: Just duplicating the code doesn't make it better ;-)

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