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/xnu-10002.81.5/bsd/kern/
H A Duipc_mbuf2.c1171 uint32_t total_sub = 0; /* total to subtract */ in m_adj_sum16() local
1185 total_sub = m_sum16(m, start, len); in m_adj_sum16()
1214 total_sub += ((extra << 8) & 0xffff) | (extra >> 8); in m_adj_sum16()
1216 total_sub += extra; in m_adj_sum16()
1219 total_sub = (total_sub >> 16) + (total_sub & 0xffff); in m_adj_sum16()
1225 if (total_sub != 0) { in m_adj_sum16()
1226 if (total_sub >= sum) { in m_adj_sum16()
1227 sum = ~(total_sub - sum) & 0xffff; in m_adj_sum16()
1229 sum -= total_sub; in m_adj_sum16()