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authorIngo Molnar <mingo@kernel.org>2016-04-13 08:57:03 +0200
committerIngo Molnar <mingo@kernel.org>2016-04-13 08:57:03 +0200
commit889fac6d67d46a5e781c08fb26fec9016db1c307 (patch)
tree7e01d04928f7ce343afff5b77ba13c2f3d083326 /include/linux/bitmap.h
parentdad38ca64a252144b4ccdfe9730a3fe2b7c61957 (diff)
parentbf16200689118d19de1b8d2a3c314fc21f5dc7bb (diff)
Merge tag 'v4.6-rc3' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/bitmap.h')
-rw-r--r--include/linux/bitmap.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 9653fdb76a42..e9b0b9ab07e5 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -59,6 +59,8 @@
* bitmap_find_free_region(bitmap, bits, order) Find and allocate bit region
* bitmap_release_region(bitmap, pos, order) Free specified bit region
* bitmap_allocate_region(bitmap, pos, order) Allocate specified bit region
+ * bitmap_from_u32array(dst, nbits, buf, nwords) *dst = *buf (nwords 32b words)
+ * bitmap_to_u32array(buf, nwords, src, nbits) *buf = *dst (nwords 32b words)
*/
/*
@@ -163,6 +165,14 @@ extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
extern int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
extern void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
extern int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);
+extern unsigned int bitmap_from_u32array(unsigned long *bitmap,
+ unsigned int nbits,
+ const u32 *buf,
+ unsigned int nwords);
+extern unsigned int bitmap_to_u32array(u32 *buf,
+ unsigned int nwords,
+ const unsigned long *bitmap,
+ unsigned int nbits);
#ifdef __BIG_ENDIAN
extern void bitmap_copy_le(unsigned long *dst, const unsigned long *src, unsigned int nbits);
#else