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/linux-4.1.27/mm/
Dpage_alloc.c6194 unsigned long bitidx, word_bitidx; in get_pfnblock_flags_mask() local
6199 bitidx = pfn_to_bitidx(zone, pfn); in get_pfnblock_flags_mask()
6200 word_bitidx = bitidx / BITS_PER_LONG; in get_pfnblock_flags_mask()
6201 bitidx &= (BITS_PER_LONG-1); in get_pfnblock_flags_mask()
6204 bitidx += end_bitidx; in get_pfnblock_flags_mask()
6205 return (word >> (BITS_PER_LONG - bitidx - 1)) & mask; in get_pfnblock_flags_mask()
6223 unsigned long bitidx, word_bitidx; in set_pfnblock_flags_mask() local
6230 bitidx = pfn_to_bitidx(zone, pfn); in set_pfnblock_flags_mask()
6231 word_bitidx = bitidx / BITS_PER_LONG; in set_pfnblock_flags_mask()
6232 bitidx &= (BITS_PER_LONG-1); in set_pfnblock_flags_mask()
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