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| author | Jeff Roberson <jeff@FreeBSD.org> | 2019-10-15 03:45:41 +0000 |
|---|---|---|
| committer | Jeff Roberson <jeff@FreeBSD.org> | 2019-10-15 03:45:41 +0000 |
| commit | 0012f373e43db2341c20329163ed2d5ad3b0f341 (patch) | |
| tree | 0ee773797648995271d10676de6c8aadc464785c /sys/dev/netmap | |
| parent | 205be21d997d5becfaee5918386d4087b09f98a8 (diff) | |
| download | src-0012f373e43db2341c20329163ed2d5ad3b0f341.tar.gz src-0012f373e43db2341c20329163ed2d5ad3b0f341.zip | |
(4/6) Protect page valid with the busy lock.
Atomics are used for page busy and valid state when the shared busy is
held. The details of the locking protocol and valid and dirty
synchronization are in the updated vm_page.h comments.
Reviewed by: kib, markj
Tested by: pho
Sponsored by: Netflix, Intel
Differential Revision: https://reviews.freebsd.org/D21594
Notes
Notes:
svn path=/head/; revision=353539
Diffstat (limited to 'sys/dev/netmap')
| -rw-r--r-- | sys/dev/netmap/netmap_freebsd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/netmap/netmap_freebsd.c b/sys/dev/netmap/netmap_freebsd.c index 42551df09c2a..2580144ab7fe 100644 --- a/sys/dev/netmap/netmap_freebsd.c +++ b/sys/dev/netmap/netmap_freebsd.c @@ -1056,7 +1056,7 @@ netmap_dev_pager_fault(vm_object_t object, vm_ooffset_t offset, *mres = page; vm_page_insert(page, object, pidx); } - page->valid = VM_PAGE_BITS_ALL; + vm_page_valid(page); return (VM_PAGER_OK); } |