diff options
Diffstat (limited to 'vm/vm_page.h')
| -rw-r--r-- | vm/vm_page.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/vm/vm_page.h b/vm/vm_page.h index 8cd7a11..4f2aaf9 100644 --- a/vm/vm_page.h +++ b/vm/vm_page.h @@ -252,7 +252,7 @@ vm_page_unref(struct vm_page *page) { unsigned int nr_refs; - nr_refs = atomic_fetch_sub_acq_rel(&page->nr_refs, 1); + nr_refs = atomic_fetch_sub(&page->nr_refs, 1, ATOMIC_ACQ_REL); assert(nr_refs != 0); if (nr_refs == 1) { @@ -272,7 +272,8 @@ vm_page_tryref(struct vm_page *page) return EAGAIN; } - prev = atomic_cas_acquire(&page->nr_refs, nr_refs, nr_refs + 1); + prev = atomic_cas(&page->nr_refs, nr_refs, + nr_refs + 1, ATOMIC_ACQUIRE); } while (prev != nr_refs); return 0; |