SBA_SEARCH_BITMAP
Section: ()
Updated: 06 October 2005
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NAME
sba_search_bitmap - find free space in IO PDIR resource bitmap
SYNOPSIS
"SYNOPSIS"
SBA_INLINE unsigned long sba_search_bitmap (struct ioc * ioc, unsigned long bits_wanted);
ARGUMENTS
- ioc
-
IO MMU structure which owns the pdir we are interested in.
- bits_wanted
-
number of entries we need.
DESCRIPTION
Find consecutive free bits in resource bitmap.
Each bit represents one entry in the IO Pdir.
COOL PERF OPTIMIZATION
search for log2(size) bits at a time.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- COOL PERF OPTIMIZATION
-
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Time: 05:30:54 GMT, October 06, 2005