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| author | Sughosh Ganu <sughosh.ganu@linaro.org> | 2024-07-30 16:41:28 +0530 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2024-07-31 09:53:01 +0200 |
| commit | c809b3b641b34125aa6345b0849c7a491bd18c96 (patch) | |
| tree | c5009a6c0ea751c2ecdc4e415f8c9ee31fe51a67 /include | |
| parent | 48940c6429c3f77c04b1844e0cfed2f884bf045b (diff) | |
| download | u-boot-c809b3b641b34125aa6345b0849c7a491bd18c96.tar.gz u-boot-c809b3b641b34125aa6345b0849c7a491bd18c96.tar.bz2 u-boot-c809b3b641b34125aa6345b0849c7a491bd18c96.zip | |
linux: list: add a function to count list nodes
Add a function to count the nodes of a list.
Taken from linux 6.11-rc1 tag commit 8400291e289e.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/list.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h index 6910721c00..0f9d939b05 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -547,6 +547,21 @@ static inline void list_splice_tail_init(struct list_head *list, &pos->member != (head); \ pos = n, n = list_entry(n->member.prev, typeof(*n), member)) +/** + * list_count_nodes - count nodes in the list + * @head: the head for your list. + */ +static inline size_t list_count_nodes(struct list_head *head) +{ + struct list_head *pos; + size_t count = 0; + + list_for_each(pos, head) + count++; + + return count; +} + /* * Double linked lists with a single pointer list head. * Mostly useful for hash tables where the two pointer list head is |