97  * Returns false if the requested remap region overlaps with an
243 	char *remap, *start;  in mremap_expand_merge()  local
254 	remap = mremap(start, page_size, 2 * page_size, 0);  in mremap_expand_merge()
255 	if (remap == MAP_FAILED) {  in mremap_expand_merge()
275  * we remove the last then attempt to remap offset from the second page. This
283 	char *remap, *start;  in mremap_expand_merge_offset()  local
295 	remap = mremap(start + page_size, page_size, 2 * page_size, 0);  in mremap_expand_merge_offset()
296 	if (remap == MAP_FAILED) {  in mremap_expand_merge_offset()
383 /* Returns the time taken for the remap on success else returns -1. */
415 	/* Remap after the destination block preamble. */  in remap_region()
426 			ksft_print_msg("Couldn't find a valid region to remap to\n");  in remap_region()
477 				ksft_print_msg("Data after remap doesn't match at offset %llu\n",  in remap_region()
493 			ksft_print_msg("Data after remap doesn't match at offset %llu\n",  in remap_region()
519 				ksft_print_msg("Preamble data after remap doesn't match at offset %llu\n",  in remap_region()
531 			ksft_print_msg("Preamble data after remap doesn't match at offset %llu\n",  in remap_region()
548  * dest_addr and region_size. This significantly affects the remap time of  in remap_region()