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| author | Jeff Roberson <jeff@FreeBSD.org> | 2018-01-12 22:57:57 +0000 |
|---|---|---|
| committer | Jeff Roberson <jeff@FreeBSD.org> | 2018-01-12 22:57:57 +0000 |
| commit | 7b11a48326912ac6c1f1c3bd32bf5fe3147f5dc8 (patch) | |
| tree | 72410f6149126e130a4f592dd3beb42af39cba58 /sys/vm/vm_domainset.h | |
| parent | 3f289c3fcf39b200550e2702068014cdd801d4da (diff) | |
| download | src-7b11a48326912ac6c1f1c3bd32bf5fe3147f5dc8.tar.gz src-7b11a48326912ac6c1f1c3bd32bf5fe3147f5dc8.zip | |
Add files for r327895
Implement 'domainset', a cpuset based NUMA policy mechanism. This allows
userspace to control NUMA policy administratively and programmatically.
Implement domainset based iterators in the page layer.
Remove the now legacy numa_* syscalls.
Cleanup some header polution created by having seq.h in proc.h.
Reviewed by: markj, kib
Discussed with: alc
Tested by: pho
Sponsored by: Netflix, Dell/EMC Isilon
Differential Revision: https://reviews.freebsd.org/D13403
Notes
Notes:
svn path=/head/; revision=327896
Diffstat (limited to 'sys/vm/vm_domainset.h')
| -rw-r--r-- | sys/vm/vm_domainset.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/vm/vm_domainset.h b/sys/vm/vm_domainset.h new file mode 100644 index 000000000000..fa188f51db65 --- /dev/null +++ b/sys/vm/vm_domainset.h @@ -0,0 +1,47 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2017, Jeffrey Roberson <jeff@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef __VM_DOMAINSET_H__ +#define __VM_DOMAINSET_H__ + +struct vm_domainset_iter { + struct domainset *di_domain; + int *di_iter; + int di_flags; + int di_n; +}; + +int vm_domainset_iter_page(struct vm_domainset_iter *, int *, int *); +void vm_domainset_iter_page_init(struct vm_domainset_iter *, + struct vm_object *, int *, int *); +int vm_domainset_iter_malloc(struct vm_domainset_iter *, int *, int *); +void vm_domainset_iter_malloc_init(struct vm_domainset_iter *, + struct vm_object *, int *, int *); + +#endif /* __VM_DOMAINSET_H__ */ |