The patch titled list.h: add list_singleton has been added to the -mm tree. Its filename is listh-add-list_singleton.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: list.h: add list_singleton From: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Add list_singleton to check a list has just one entry. list_singleton is useful to check whether a list_head which have been temporarily allocated for listing objects can be released or not. Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/list.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff -puN include/linux/list.h~listh-add-list_singleton include/linux/list.h --- a/include/linux/list.h~listh-add-list_singleton +++ a/include/linux/list.h @@ -211,6 +211,15 @@ static inline int list_empty_careful(con return (next == head) && (next == head->prev); } +/** + * list_singleton - tests whether a list has just one entry. + * @head: the list to test. + */ +static inline int list_singleton(const struct list_head *head) +{ + return !list_empty(head) && (head->next == head->prev); +} + static inline void __list_splice(struct list_head *list, struct list_head *head) { _ Patches currently in -mm which might be from mhiramat@xxxxxxxxxx are kprobes-kprobe-booster-for-ia64.patch kprobes-kprobe-booster-for-ia64-fix.patch listh-add-list_singleton.patch kprobes-add-unregister_kprobes-for-batch-registration.patch kprobes-add-unregister_kretprobes-for-batch-registration.patch kprobes-add-unregister_jprobes-for-batch-registration.patch kprobes-update-document-about-batch-registration.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html