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llist: Add llist_next() 

So we don't have to expose the struct list_node member.

Cc: Huang Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1315836348.26517.41.camel@twins
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2011-09-12 13:12:28 +02:00 committed by Ingo Molnar
parent 38aaf8090d
commit 924f8f5af3
2 changed files with 6 additions and 1 deletions
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5
include/linux/llist.h
View File

@ -138,6 +138,11 @@ static inline bool llist_empty(const struct llist_head *head)
return ACCESS_ONCE(head->first) == NULL;
}
static inline struct llist_node *llist_next(struct llist_node *node)
{
return node->next;
}
/**
* llist_add - add a new entry
* @new: new entry to be added

2
kernel/irq_work.c
View File

@ -110,7 +110,7 @@ void irq_work_run(void)
while (llnode != NULL) {
work = llist_entry(llnode, struct irq_work, llnode);
llnode = llnode->next;
llnode = llist_next(llnode);
/*
* Clear the PENDING bit, after this point the @work