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-rw-r--r--sys/fs/nwfs/nwfs_io.c2
-rw-r--r--sys/fs/smbfs/smbfs_io.c2
-rw-r--r--sys/fs/specfs/spec_vnops.c2
-rw-r--r--sys/kern/uipc_syscalls.c1
-rw-r--r--sys/kern/vfs_bio.c15
-rw-r--r--sys/nfsclient/nfs_bio.c2
-rw-r--r--sys/vm/swap_pager.c4
-rw-r--r--sys/vm/vm_fault.c1
-rw-r--r--sys/vm/vnode_pager.c3
9 files changed, 1 insertions, 31 deletions
diff --git a/sys/fs/nwfs/nwfs_io.c b/sys/fs/nwfs/nwfs_io.c
index c1d19ab..22f0e61 100644
--- a/sys/fs/nwfs/nwfs_io.c
+++ b/sys/fs/nwfs/nwfs_io.c
@@ -464,8 +464,6 @@ nwfs_getpages(ap)
nextoff = toff + PAGE_SIZE;
m = pages[i];
- m->flags &= ~PG_ZERO;
-
if (nextoff <= size) {
m->valid = VM_PAGE_BITS_ALL;
m->dirty = 0;
diff --git a/sys/fs/smbfs/smbfs_io.c b/sys/fs/smbfs/smbfs_io.c
index 5a0606c..6a1ea45 100644
--- a/sys/fs/smbfs/smbfs_io.c
+++ b/sys/fs/smbfs/smbfs_io.c
@@ -517,8 +517,6 @@ smbfs_getpages(ap)
nextoff = toff + PAGE_SIZE;
m = pages[i];
- m->flags &= ~PG_ZERO;
-
if (nextoff <= size) {
/*
* Read operation filled an entire page
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c
index 6d39307..9d53ca5 100644
--- a/sys/fs/specfs/spec_vnops.c
+++ b/sys/fs/specfs/spec_vnops.c
@@ -780,8 +780,6 @@ spec_getpages(ap)
nextoff = toff + PAGE_SIZE;
m = ap->a_m[i];
- m->flags &= ~PG_ZERO;
-
if (nextoff <= nread) {
m->valid = VM_PAGE_BITS_ALL;
vm_page_undirty(m);
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index b5ab1de..e8aa5fa 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -1893,7 +1893,6 @@ retry_lookup:
if (error)
VM_OBJECT_LOCK(obj);
vm_page_lock_queues();
- vm_page_flag_clear(pg, PG_ZERO);
vm_page_io_finish(pg);
mbstat.sf_iocnt++;
}
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index 3b1f0d2..e4924c9 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -1336,9 +1336,6 @@ brelse(struct buf * bp)
int had_bogus = 0;
m = bp->b_pages[i];
- vm_page_lock_queues();
- vm_page_flag_clear(m, PG_ZERO);
- vm_page_unlock_queues();
/*
* If we hit a bogus page, fixup *all* the bogus pages
@@ -1582,7 +1579,6 @@ vfs_vmio_release(bp)
continue;
if (m->wire_count == 0) {
- vm_page_flag_clear(m, PG_ZERO);
/*
* Might as well free the page if we can and it has
* no valid data. We also free the page if the
@@ -2326,10 +2322,8 @@ vfs_setdirty(struct buf *bp)
* test the pages to see if they have been modified directly
* by users through the VM system.
*/
- for (i = 0; i < bp->b_npages; i++) {
- vm_page_flag_clear(bp->b_pages[i], PG_ZERO);
+ for (i = 0; i < bp->b_npages; i++)
vm_page_test_dirty(bp->b_pages[i]);
- }
/*
* Calculate the encompassing dirty range, boffset and eoffset,
@@ -2919,7 +2913,6 @@ allocbuf(struct buf *bp, int size)
(cnt.v_free_min + cnt.v_cache_min))) {
pagedaemon_wakeup();
}
- vm_page_flag_clear(m, PG_ZERO);
vm_page_wire(m);
vm_page_unlock_queues();
bp->b_pages[bp->b_npages] = m;
@@ -3233,7 +3226,6 @@ bufdone(struct buf *bp)
if ((bp->b_iocmd == BIO_READ) && !bogusflag && resid > 0) {
vfs_page_set_valid(bp, foff, i, m);
}
- vm_page_flag_clear(m, PG_ZERO);
/*
* when debugging new filesystems or buffer I/O methods, this
@@ -3316,7 +3308,6 @@ vfs_unbusy_pages(struct buf * bp)
pmap_qenter(trunc_page((vm_offset_t)bp->b_data), bp->b_pages, bp->b_npages);
}
vm_object_pip_subtract(obj, 1);
- vm_page_flag_clear(m, PG_ZERO);
vm_page_io_finish(m);
}
vm_page_unlock_queues();
@@ -3402,7 +3393,6 @@ retry:
for (i = 0; i < bp->b_npages; i++) {
vm_page_t m = bp->b_pages[i];
- vm_page_flag_clear(m, PG_ZERO);
if ((bp->b_flags & B_CLUSTER) == 0) {
vm_object_pip_add(obj, 1);
vm_page_io_start(m);
@@ -3579,9 +3569,6 @@ vfs_bio_clrbuf(struct buf *bp)
}
}
bp->b_pages[i]->valid |= mask;
- vm_page_lock_queues();
- vm_page_flag_clear(bp->b_pages[i], PG_ZERO);
- vm_page_unlock_queues();
}
unlock:
VM_OBJECT_UNLOCK(bp->b_object);
diff --git a/sys/nfsclient/nfs_bio.c b/sys/nfsclient/nfs_bio.c
index 7df0531..02fdd00 100644
--- a/sys/nfsclient/nfs_bio.c
+++ b/sys/nfsclient/nfs_bio.c
@@ -215,8 +215,6 @@ nfs_getpages(struct vop_getpages_args *ap)
nextoff = toff + PAGE_SIZE;
m = pages[i];
- m->flags &= ~PG_ZERO;
-
if (nextoff <= size) {
/*
* Read operation filled an entire page
diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c
index 196085e..258ee4d 100644
--- a/sys/vm/swap_pager.c
+++ b/sys/vm/swap_pager.c
@@ -1483,7 +1483,6 @@ swp_pager_async_iodone(struct buf *bp)
* interrupt.
*/
m->valid = 0;
- vm_page_flag_clear(m, PG_ZERO);
if (i != bp->b_pager.pg_reqpage)
vm_page_free(m);
else
@@ -1516,8 +1515,6 @@ swp_pager_async_iodone(struct buf *bp)
* that existed in the old swapper for a time before
* it got ripped out due to precisely this problem.
*
- * clear PG_ZERO in page.
- *
* If not the requested page then deactivate it.
*
* Note that the requested page, reqpage, is left
@@ -1529,7 +1526,6 @@ swp_pager_async_iodone(struct buf *bp)
pmap_clear_modify(m);
m->valid = VM_PAGE_BITS_ALL;
vm_page_undirty(m);
- vm_page_flag_clear(m, PG_ZERO);
/*
* We have to wake specifically requested pages
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c
index fded099..000e2a2 100644
--- a/sys/vm/vm_fault.c
+++ b/sys/vm/vm_fault.c
@@ -898,7 +898,6 @@ readrest:
}
mtx_unlock(&Giant);
vm_page_lock_queues();
- vm_page_flag_clear(fs.m, PG_ZERO);
vm_page_flag_set(fs.m, PG_REFERENCED);
/*
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c
index a85aee2..4f6ec45 100644
--- a/sys/vm/vnode_pager.c
+++ b/sys/vm/vnode_pager.c
@@ -513,7 +513,6 @@ vnode_pager_input_smlfs(object, m)
sf_buf_free(sf);
vm_page_lock_queues();
pmap_clear_modify(m);
- vm_page_flag_clear(m, PG_ZERO);
vm_page_unlock_queues();
if (error) {
return VM_PAGER_ERROR;
@@ -586,7 +585,6 @@ vnode_pager_input_old(object, m)
vm_page_lock_queues();
pmap_clear_modify(m);
vm_page_undirty(m);
- vm_page_flag_clear(m, PG_ZERO);
vm_page_unlock_queues();
if (!error)
m->valid = VM_PAGE_BITS_ALL;
@@ -884,7 +882,6 @@ vnode_pager_generic_getpages(vp, m, bytecount, reqpage)
/* vm_page_zero_invalid(mt, FALSE); */
}
- vm_page_flag_clear(mt, PG_ZERO);
if (i != reqpage) {
/*
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