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xarray: use BITS_PER_LONGS()

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Patch series "xarray: Clean up xarray.h".

Main portion of this change is to get rid of kernel.h included into other
globally available headers.  This decreases a dependency hell degree.  The
first patch makes it possible to avoid math.h to be included as bitops.h
is implied by bitmap.h.


This patch (of 2):

Use BITS_PER_LONGS() instead of open coded variant.

Link: https://lkml.kernel.org/r/20240423142204.2408923-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andy Shevchenko 2024-04-23 17:20:24 +03:00 committed by Andrew Morton
parent 91882c1617
commit ccde70f4d4
1 changed files with 1 additions and 1 deletions
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2
include/linux/xarray.h
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@ -1146,7 +1146,7 @@ static inline void xa_release(struct xarray *xa, unsigned long index)
#define XA_CHUNK_SIZE (1UL << XA_CHUNK_SHIFT)
#define XA_CHUNK_MASK (XA_CHUNK_SIZE - 1)
#define XA_MAX_MARKS 3
#define XA_MARK_LONGS DIV_ROUND_UP(XA_CHUNK_SIZE, BITS_PER_LONG)
#define XA_MARK_LONGS BITS_TO_LONGS(XA_CHUNK_SIZE)
/*
* @count is the count of every non-NULL element in the ->slots array