The patch titled
Subject: list: add hlist_count_nodes()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
list-add-hlist_count_nodes.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/list-add-hlist_count_nodes.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Pierre Gondois <pierre.gondois@xxxxxxx>
Subject: list: add hlist_count_nodes()
Date: Thu, 4 Jan 2024 17:49:33 +0100
Add a generic hlist_count_nodes() function and use it in two drivers.
This patch (of 3):
Add a function to count nodes in a hlist. hlist_count_nodes() is similar
to list_count_nodes().
Link: https://lkml.kernel.org/r/20240104164937.424320-1-pierre.gondois@xxxxxxx
Link: https://lkml.kernel.org/r/20240104164937.424320-2-pierre.gondois@xxxxxxx
Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
Reviewed-by: Carlos Llamas <cmllamas@xxxxxxxxxx>
Acked-by: Coly Li <colyli@xxxxxxx>
Acked-by: Marco Elver <elver@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Arve Hjønnevåg <arve@xxxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: Martijn Coenen <maco@xxxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Cc: Todd Kjos <tkjos@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/list.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/include/linux/list.h~list-add-hlist_count_nodes
+++ a/include/linux/list.h
@@ -1175,4 +1175,19 @@ static inline void hlist_move_list(struc
pos && ({ n = pos->member.next; 1; }); \
pos = hlist_entry_safe(n, typeof(*pos), member))
+/**
+ * hlist_count_nodes - count nodes in the hlist
+ * @head: the head for your hlist.
+ */
+static inline size_t hlist_count_nodes(struct hlist_head *head)
+{
+ struct hlist_node *pos;
+ size_t count = 0;
+
+ hlist_for_each(pos, head)
+ count++;
+
+ return count;
+}
+
#endif
_
Patches currently in -mm which might be from pierre.gondois@xxxxxxx are
list-add-hlist_count_nodes.patch
binder-use-of-hlist_count_nodes.patch
bcache-use-of-hlist_count_nodes.patch
