scan regular free list for match, if not found
large request, scan reserved list
if (chunk found)
check chunk size and perhaps truncate
if (chunk is not found)
scan regular free list
if (chunk found)
check chunk size and perhaps truncate
all done
if (chunk is not found)
do LRU operations and repeat
small request, scan regular free list
do LRU operations and repeat search
if (chunk found)
check chunk size and perhaps truncate
all done
if (chunk is not found)
do LRU operations and repeat
large request, scan reserved list
if (chunk found)
check chunk size and perhaps truncate
if (chunk is not found)
scan regular free list
if (chunk found)
check chunk size and perhaps truncate
all done
if (chunk is not found)
do LRU operations and repeat
small request, scan regular free list
do LRU operations and repeat search
if (chunk found)
check chunk size and perhaps truncate
all done
if (chunk is not found)
do LRU operations and repeat
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/14130873/viewspace-665737/ ，如需转载，请注明出处，否则将追究法律责任。
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