Author: kib Date: Fri Dec 1 10:53:08 2017 New Revision: 326424 URL: https://svnweb.freebsd.org/changeset/base/326424
Log: Add comment for vm_map_find_min(). Reviewed by: alc Sponsored by: The FreeBSD Foundation MFC after: 3 days X-Differential revision: https://reviews.freebsd.org/D13155 Modified: head/sys/vm/vm_map.c Modified: head/sys/vm/vm_map.c ============================================================================== --- head/sys/vm/vm_map.c Fri Dec 1 10:25:52 2017 (r326423) +++ head/sys/vm/vm_map.c Fri Dec 1 10:53:08 2017 (r326424) @@ -1558,6 +1558,18 @@ again: return (result); } +/* + * vm_map_find_min() is a variant of vm_map_find() that takes an + * additional parameter (min_addr) and treats the given address + * (*addr) differently. Specifically, it treats *addr as a hint + * and not as the minimum address where the mapping is created. + * + * This function works in two phases. First, it tries to + * allocate above the hint. If that fails and the hint is + * greater than min_addr, it performs a second pass, replacing + * the hint with min_addr as the minimum address for the + * allocation. + */ int vm_map_find_min(vm_map_t map, vm_object_t object, vm_ooffset_t offset, vm_offset_t *addr, vm_size_t length, vm_offset_t min_addr, _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
