Clarify how to pass the field width for bitmaps, and mention the helper macros that are available to ease printing cpumask and nodemask. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- Documentation/core-api/printk-formats.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index 6d26c5c6ac485cec..160e710d992f3a36 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -531,7 +531,9 @@ For printing bitmap and its derivatives such as cpumask and nodemask, %*pb outputs the bitmap with field width as the number of bits and %*pbl output the bitmap as range list with field width as the number of bits. -Passed by reference. +The field width is passed by value, the bitmap is passed by reference. +Helper macros cpumask_pr_args() and nodemask_pr_args() are available to ease +printing cpumask and nodemask. Flags bitfields such as page flags, gfp_flags --------------------------------------------- -- 2.25.1
