Author: mjg
Date: Fri Feb 14 23:16:29 2020
New Revision: 357941
URL: https://svnweb.freebsd.org/changeset/base/357941
Log:
vm: remove no longer needed atomic_load_ptr casts
Modified:
head/sys/vm/vm_mmap.c
head/sys/vm/vm_page.c
head/sys/vm/vm_pageout.c
Modified: head/sys/vm/vm_mmap.c
==============================================================================
--- head/sys/vm/vm_mmap.c Fri Feb 14 23:15:41 2020 (r357940)
+++ head/sys/vm/vm_mmap.c Fri Feb 14 23:16:29 2020 (r357941)
@@ -895,8 +895,7 @@ retry:
while (object == NULL || m->object != object) {
if (object != NULL)
VM_OBJECT_WUNLOCK(object);
- object = (vm_object_t)atomic_load_ptr(
- &m->object);
+ object = atomic_load_ptr(&m->object);
if (object == NULL)
goto retry;
VM_OBJECT_WLOCK(object);
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Fri Feb 14 23:15:41 2020 (r357940)
+++ head/sys/vm/vm_page.c Fri Feb 14 23:16:29 2020 (r357941)
@@ -2500,8 +2500,7 @@ retry:
pa);
}
#endif
- else if ((object =
- (vm_object_t)atomic_load_ptr(&m->object)) != NULL) {
+ else if ((object = atomic_load_ptr(&m->object)) != NULL) {
/*
* The page is considered eligible for relocation if
* and only if it could be laundered or reclaimed by
@@ -2643,8 +2642,7 @@ vm_page_reclaim_run(int req_class, int domain, u_long
*/
if (vm_page_wired(m))
error = EBUSY;
- else if ((object =
- (vm_object_t)atomic_load_ptr(&m->object)) != NULL) {
+ else if ((object = atomic_load_ptr(&m->object)) != NULL) {
/*
* The page is relocated if and only if it could be
* laundered or reclaimed by the page daemon.
@@ -4065,7 +4063,7 @@ vm_page_release(vm_page_t m, int flags)
if ((flags & VPR_TRYFREE) != 0) {
for (;;) {
- object = (vm_object_t)atomic_load_ptr(&m->object);
+ object = atomic_load_ptr(&m->object);
if (object == NULL)
break;
/* Depends on type-stability. */
Modified: head/sys/vm/vm_pageout.c
==============================================================================
--- head/sys/vm/vm_pageout.c Fri Feb 14 23:15:41 2020 (r357940)
+++ head/sys/vm/vm_pageout.c Fri Feb 14 23:16:29 2020 (r357941)
@@ -767,7 +767,7 @@ scan:
if (object == NULL || object != m->object) {
if (object != NULL)
VM_OBJECT_WUNLOCK(object);
- object = (vm_object_t)atomic_load_ptr(&m->object);
+ object = atomic_load_ptr(&m->object);
if (__predict_false(object == NULL))
/* The page is being freed by another thread. */
continue;
@@ -1238,7 +1238,7 @@ act_scan:
* A page's object pointer may be set to NULL before
* the object lock is acquired.
*/
- object = (vm_object_t)atomic_load_ptr(&m->object);
+ object = atomic_load_ptr(&m->object);
if (__predict_false(object == NULL))
/*
* The page has been removed from its object.
@@ -1481,7 +1481,7 @@ vm_pageout_scan_inactive(struct vm_domain *vmd, int sh
if (object == NULL || object != m->object) {
if (object != NULL)
VM_OBJECT_WUNLOCK(object);
- object = (vm_object_t)atomic_load_ptr(&m->object);
+ object = atomic_load_ptr(&m->object);
if (__predict_false(object == NULL))
/* The page is being freed by another thread. */
continue;
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