diff options
| author | attilio <attilio@FreeBSD.org> | 2013-03-09 02:51:51 +0000 |
|---|---|---|
| committer | attilio <attilio@FreeBSD.org> | 2013-03-09 02:51:51 +0000 |
| commit | 16a80466e5837ad617b6b144297fd6069188b9b3 (patch) | |
| tree | 68f0fe73cda2b8a8692af0e8e2b09c7e6d1a7ed1 /sys/kern/kern_sharedpage.c | |
| parent | 640e058da3cee2710fd66a67abbb548aad74104e (diff) | |
| parent | 72f7f3e528d2e900546a7ccbe16525b12d64dd44 (diff) | |
| download | FreeBSD-src-16a80466e5837ad617b6b144297fd6069188b9b3.zip FreeBSD-src-16a80466e5837ad617b6b144297fd6069188b9b3.tar.gz | |
MFC
Diffstat (limited to 'sys/kern/kern_sharedpage.c')
| -rw-r--r-- | sys/kern/kern_sharedpage.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/kern/kern_sharedpage.c b/sys/kern/kern_sharedpage.c index 619304a..20b9038 100644 --- a/sys/kern/kern_sharedpage.c +++ b/sys/kern/kern_sharedpage.c @@ -34,7 +34,7 @@ __FBSDID("$FreeBSD$"); #include <sys/systm.h> #include <sys/kernel.h> #include <sys/lock.h> -#include <sys/mutex.h> +#include <sys/rwlock.h> #include <sys/sysent.h> #include <sys/sysctl.h> #include <sys/vdso.h> @@ -107,11 +107,11 @@ shared_page_init(void *dummy __unused) sx_init(&shared_page_alloc_sx, "shpsx"); shared_page_obj = vm_pager_allocate(OBJT_PHYS, 0, PAGE_SIZE, VM_PROT_DEFAULT, 0, NULL); - VM_OBJECT_LOCK(shared_page_obj); + VM_OBJECT_WLOCK(shared_page_obj); m = vm_page_grab(shared_page_obj, 0, VM_ALLOC_RETRY | VM_ALLOC_NOBUSY | VM_ALLOC_ZERO); m->valid = VM_PAGE_BITS_ALL; - VM_OBJECT_UNLOCK(shared_page_obj); + VM_OBJECT_WUNLOCK(shared_page_obj); addr = kmem_alloc_nofault(kernel_map, PAGE_SIZE); pmap_qenter(addr, &m, 1); shared_page_mapping = (char *)addr; |
