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Groups > linux.kernel > #1453380
| From | Jiri Olsa <jolsa@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/7] tools lib: Add bitmap_alloc function |
| Date | 2016-08-01 20:20 +0200 |
| Message-ID | <s1pYK-1pc-9@gated-at.bofh.it> (permalink) |
| References | <s1pYK-1pc-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Adding bitmap_alloc function to dynamically allocate bitmap.
Link: http://lkml.kernel.org/n/tip-ictn3ke5ewrzwyn8webfeai9@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/include/linux/bitmap.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 28f5493da491..66ddd992e690 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -3,6 +3,7 @@
#include <string.h>
#include <linux/bitops.h>
+#include <stdlib.h>
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
@@ -65,4 +66,13 @@ static inline int test_and_set_bit(int nr, unsigned long *addr)
return (old & mask) != 0;
}
+/**
+ * bitmap_alloc - Allocate bitmap
+ * @nr: Bit to set
+ */
+static inline unsigned long *bitmap_alloc(int nbits)
+{
+ return malloc(BITS_TO_LONGS(nbits) * sizeof(unsigned long));
+}
+
#endif /* _PERF_BITOPS_H */
--
2.4.11
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[PATCH 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@kernel.org> - 2016-08-01 20:20 +0200
Re: [PATCH 1/7] tools lib: Add bitmap_alloc function David Ahern <dsahern@gmail.com> - 2016-08-01 22:00 +0200
Re: [PATCH 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 11:40 +0200
[PATCHv2 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 13:50 +0200
Re: [PATCHv2 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 15:20 +0200
Re: [PATCHv2 1/7] tools lib: Add bitmap_alloc function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-08-02 16:20 +0200
[tip:perf/urgent] tools lib: Add bitmap_alloc function tip-bot for Jiri Olsa <tipbot@zytor.com> - 2016-08-04 11:20 +0200
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