K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2018-03-27T21:37:58.684308Z
K 7
svn:log
V 404
Refactor some page queue scanning code.

- Use a common subroutine to collect a batch of pages for processing.
- Use a common subroutine to detect pages that were logically dequeued
  after being added to a batch.
- Use batching in the laundry queue scan. Remove
  vm_pageout_fallback_object_lock() and vm_pageout_page_lock().
- Remove a racy assert from vm_page_alloc_check(). [1]

Reported by:	pho [1]

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