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lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc()

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Provide managed variants of bitmap_alloc() and bitmap_zalloc().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Bartosz Golaszewski
2021-03-15 10:13:56 +01:00
parent c13656b904
commit e829c2e474
2 changed files with 41 additions and 0 deletions
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8
include/linux/bitmap.h
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@@ -9,6 +9,8 @@
#include <linux/string.h>
#include <linux/types.h>
struct device;
/*
* bitmaps provide bit arrays that consume one or more unsigned
* longs. The bitmap interface and available operations are listed
@@ -122,6 +124,12 @@ unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags);
unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags);
void bitmap_free(const unsigned long *bitmap);
/* Managed variants of the above. */
unsigned long *devm_bitmap_alloc(struct device *dev,
unsigned int nbits, gfp_t flags);
unsigned long *devm_bitmap_zalloc(struct device *dev,
unsigned int nbits, gfp_t flags);
/*
* lib/bitmap.c provides these functions:
*/