* [PATCH] linux/bitopts.h: Add for_each_set_clump8 documentation
@ 2019-10-16 16:18 William Breathitt Gray
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From: William Breathitt Gray @ 2019-10-16 16:18 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel, andriy.shevchenko, William Breathitt Gray
Document in kerneldoc form the for_each_set_clump8 macro.
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
---
include/linux/bitops.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index fb94a10f7853..76ec8f0ce3e8 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -40,6 +40,13 @@ extern unsigned long __sw_hweight64(__u64 w);
(bit) < (size); \
(bit) = find_next_zero_bit((addr), (size), (bit) + 1))
+/**
+ * for_each_set_clump8 - iterate over bitmap for each 8-bit clump with set bits
+ * @start: bit offset to start search and to store the current iteration offset
+ * @clump: location to store copy of current 8-bit clump
+ * @bits: bitmap address to base the search on
+ * @size: bitmap size in number of bits
+ */
#define for_each_set_clump8(start, clump, bits, size) \
for ((start) = find_first_clump8(&(clump), (bits), (size)); \
(start) < (size); \
--
2.23.0
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