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Date:      Tue, 4 Aug 1998 18:37:51 -0400 (EDT)
From:      zhihuizhang <bf20761@binghamton.edu>
To:        hackers <freebsd-hackers@FreeBSD.ORG>
Subject:   Questione on pageout deamon
Message-ID:  <Pine.SOL.L3.93.980804182635.6110A-100000@bingsun2>

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(1) In the VM source files, there are many occurrences of pageproc in
comparison "curproc == pageproc".  Does pageproc stand for the pageout 
daemon?

(2) It seems that pageout daemon can sleep on either vm_pages_needed or
vm_pageout_pages_needed.  When does pageout deamon itself need pages?

(3) Can pageout daemon be waken up at interrupt time? If not, why we
check this at the beginning of vm_page_alloc()?

Any help is appreciated.

-------------------------------------------------- 
| Zhihui Zhang, http://cs.binghamton.edu/~zzhang |
| Dept. of Computer Science,  SUNY at Binghamton |
--------------------------------------------------


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