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author | Ingo Molnar <mingo@kernel.org> | 2016-07-27 13:35:35 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2016-07-27 13:35:35 +0300 |
commit | df15929f8f5c69e987c31bf016eca4a38dba46f0 (patch) | |
tree | cfb5fe5e8ebff4cabd70557a304f355546943cc9 /include/linux/list.h | |
parent | efaad554b4ffae1840a2759e09e21325ddbc8b05 (diff) | |
parent | 37e13a1ebe32c4fbfbdb5413f42eb6e71d8b28a4 (diff) | |
download | linux-df15929f8f5c69e987c31bf016eca4a38dba46f0.tar.xz |
Merge branch 'linus' into x86/microcode, to pick up merge window changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/list.h')
-rw-r--r-- | include/linux/list.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h index 5356f4d661a7..5183138aa932 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -679,6 +679,16 @@ static inline bool hlist_fake(struct hlist_node *h) } /* + * Check whether the node is the only node of the head without + * accessing head: + */ +static inline bool +hlist_is_singular_node(struct hlist_node *n, struct hlist_head *h) +{ + return !n->next && n->pprev == &h->first; +} + +/* * Move a list from one list head to another. Fixup the pprev * reference of the first entry if it exists. */ |