Lines Matching refs:pgfrom_base
217 size_t pgfrom_base, size_t len) in _shift_data_left_pages() argument
223 BUG_ON(pgfrom_base <= pgto_base); in _shift_data_left_pages()
229 pgfrom = pages + (pgfrom_base >> PAGE_SHIFT); in _shift_data_left_pages()
232 pgfrom_base &= ~PAGE_MASK; in _shift_data_left_pages()
239 if (pgfrom_base >= PAGE_SIZE){ in _shift_data_left_pages()
240 pgfrom_base = 0; in _shift_data_left_pages()
247 if (copy > (PAGE_SIZE - pgfrom_base)) in _shift_data_left_pages()
248 copy = PAGE_SIZE - pgfrom_base; in _shift_data_left_pages()
253 memcpy(vto + pgto_base, vfrom + pgfrom_base, copy); in _shift_data_left_pages()
256 memmove(vto + pgto_base, vto + pgfrom_base, copy); in _shift_data_left_pages()
261 pgfrom_base += copy; in _shift_data_left_pages()
282 size_t pgfrom_base, size_t len) in _shift_data_right_pages() argument
288 BUG_ON(pgto_base <= pgfrom_base); in _shift_data_right_pages()
294 pgfrom_base += len; in _shift_data_right_pages()
297 pgfrom = pages + (pgfrom_base >> PAGE_SHIFT); in _shift_data_right_pages()
300 pgfrom_base &= ~PAGE_MASK; in _shift_data_right_pages()
308 if (pgfrom_base == 0) { in _shift_data_right_pages()
309 pgfrom_base = PAGE_SIZE; in _shift_data_right_pages()
316 if (copy > pgfrom_base) in _shift_data_right_pages()
317 copy = pgfrom_base; in _shift_data_right_pages()
319 pgfrom_base -= copy; in _shift_data_right_pages()
324 memcpy(vto + pgto_base, vfrom + pgfrom_base, copy); in _shift_data_right_pages()
327 memmove(vto + pgto_base, vto + pgfrom_base, copy); in _shift_data_right_pages()