Lines Matching refs:pgfrom_base
218 size_t pgfrom_base, size_t len) in _shift_data_left_pages() argument
224 BUG_ON(pgfrom_base <= pgto_base); in _shift_data_left_pages()
230 pgfrom = pages + (pgfrom_base >> PAGE_SHIFT); in _shift_data_left_pages()
233 pgfrom_base &= ~PAGE_MASK; in _shift_data_left_pages()
240 if (pgfrom_base >= PAGE_SIZE){ in _shift_data_left_pages()
241 pgfrom_base = 0; in _shift_data_left_pages()
248 if (copy > (PAGE_SIZE - pgfrom_base)) in _shift_data_left_pages()
249 copy = PAGE_SIZE - pgfrom_base; in _shift_data_left_pages()
254 memcpy(vto + pgto_base, vfrom + pgfrom_base, copy); in _shift_data_left_pages()
257 memmove(vto + pgto_base, vto + pgfrom_base, copy); in _shift_data_left_pages()
262 pgfrom_base += copy; in _shift_data_left_pages()
283 size_t pgfrom_base, size_t len) in _shift_data_right_pages() argument
289 BUG_ON(pgto_base <= pgfrom_base); in _shift_data_right_pages()
295 pgfrom_base += len; in _shift_data_right_pages()
298 pgfrom = pages + (pgfrom_base >> PAGE_SHIFT); in _shift_data_right_pages()
301 pgfrom_base &= ~PAGE_MASK; in _shift_data_right_pages()
309 if (pgfrom_base == 0) { in _shift_data_right_pages()
310 pgfrom_base = PAGE_SIZE; in _shift_data_right_pages()
317 if (copy > pgfrom_base) in _shift_data_right_pages()
318 copy = pgfrom_base; in _shift_data_right_pages()
320 pgfrom_base -= copy; in _shift_data_right_pages()
325 memcpy(vto + pgto_base, vfrom + pgfrom_base, copy); in _shift_data_right_pages()
328 memmove(vto + pgto_base, vto + pgfrom_base, copy); in _shift_data_right_pages()