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authorRandy Dunlap <rdunlap@infradead.org>2017-09-18 05:07:10 +0300
committerJonathan Corbet <corbet@lwn.net>2017-09-26 23:42:25 +0300
commit404376af788a76cca760efdc05f26fd73bd94b17 (patch)
treed4cfcd25072934281a94c608b7425e733fd9c2f4 /include/linux/bitmap.h
parent416c7517359b8812c8bcddc31348934b901c3cdc (diff)
downloadlinux-404376af788a76cca760efdc05f26fd73bd94b17.tar.xz
Documentation: kernel-api: add bitmap operations from linux/bitmap.h
Add <linux/bitmap.h> to kernel-api Bitmap Operations section. Fix kernel-doc nitpicks in <linux/bitmap.h>. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Yury Norov <ynorov@caviumnetworks.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'include/linux/bitmap.h')
-rw-r--r--include/linux/bitmap.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 700cf5f67118..5c4178016b1e 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -360,8 +360,9 @@ static inline int bitmap_parse(const char *buf, unsigned int buflen,
return __bitmap_parse(buf, buflen, 0, maskp, nmaskbits);
}
-/*
+/**
* BITMAP_FROM_U64() - Represent u64 value in the format suitable for bitmap.
+ * @n: u64 value
*
* Linux bitmaps are internally arrays of unsigned longs, i.e. 32-bit
* integers in 32-bit environment, and 64-bit integers in 64-bit one.
@@ -392,14 +393,14 @@ static inline int bitmap_parse(const char *buf, unsigned int buflen,
((unsigned long) ((u64)(n) >> 32))
#endif
-/*
+/**
* bitmap_from_u64 - Check and swap words within u64.
* @mask: source bitmap
* @dst: destination bitmap
*
- * In 32-bit Big Endian kernel, when using (u32 *)(&val)[*]
+ * In 32-bit Big Endian kernel, when using ``(u32 *)(&val)[*]``
* to read u64 mask, we will get the wrong word.
- * That is "(u32 *)(&val)[0]" gets the upper 32 bits,
+ * That is ``(u32 *)(&val)[0]`` gets the upper 32 bits,
* but we expect the lower 32-bits of u64.
*/
static inline void bitmap_from_u64(unsigned long *dst, u64 mask)