DL-Mirrors/kernel-tenderloin-3.0
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial Contribution

Browse Source 
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
Bryan Huntsman
2011-08-16 17:27:22 -07:00
parent f06154cc47
commit 3f2bc4d6eb
1851 changed files with 780136 additions and 12902 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
lib/bitmap.c
View File

@@ -315,30 +315,32 @@ void bitmap_clear(unsigned long *map, int start, int nr)
}
EXPORT_SYMBOL(bitmap_clear);
/*
/**
* bitmap_find_next_zero_area - find a contiguous aligned zero area
* @map: The address to base the search on
* @size: The bitmap size in bits
* @start: The bitnumber to start searching at
* @nr: The number of zeroed bits we're looking for
* @align_mask: Alignment mask for zero area
* @align_offset: Alignment offset for zero area.
*
* The @align_mask should be one less than a power of 2; the effect is that
* the bit offset of all zero areas this function finds is multiples of that
* power of 2. A @align_mask of 0 means no alignment is required.
* the bit offset of all zero areas this function finds plus @align_offset
* is multiple of that power of 2.
*/
unsigned long bitmap_find_next_zero_area(unsigned long *map,
unsigned long size,
unsigned long start,
unsigned int nr,
unsigned long align_mask)
unsigned long bitmap_find_next_zero_area_off(unsigned long *map,
unsigned long size,
unsigned long start,
unsigned int nr,
unsigned long align_mask,
unsigned long align_offset)
{
unsigned long index, end, i;
again:
index = find_next_zero_bit(map, size, start);
/* Align allocation */
index = __ALIGN_MASK(index, align_mask);
index = __ALIGN_MASK(index + align_offset, align_mask) - align_offset;
end = index + nr;
if (end > size)
@@ -350,7 +352,7 @@ again:
}
return index;
}
EXPORT_SYMBOL(bitmap_find_next_zero_area);
EXPORT_SYMBOL(bitmap_find_next_zero_area_off);
/*
* Bitmap printing & parsing functions: first version by Bill Irwin,