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Code Issues Releases Activity

There is no need to "busy" a page when the object is locked for the duration

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of the operation.
This commit is contained in:
Alan Cox 2009-10-26 18:02:05 +00:00
parent 9390262576
commit 4afcae9ba3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=198494
1 changed files with 1 additions and 2 deletions
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3
sys/fs/tmpfs/tmpfs_subr.c
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@ -906,10 +906,9 @@ tmpfs_reg_resize(struct vnode *vp, off_t newsize)
if (zerolen > 0) { if (zerolen > 0) {
m = vm_page_grab(uobj, OFF_TO_IDX(newsize), m = vm_page_grab(uobj, OFF_TO_IDX(newsize),
VM_ALLOC_NORMAL | VM_ALLOC_RETRY); VM_ALLOC_NOBUSY | VM_ALLOC_NORMAL | VM_ALLOC_RETRY);
pmap_zero_page_area(m, PAGE_SIZE - zerolen, pmap_zero_page_area(m, PAGE_SIZE - zerolen,
zerolen); zerolen);
vm_page_wakeup(m);
} }
VM_OBJECT_UNLOCK(uobj); VM_OBJECT_UNLOCK(uobj);