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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Tue, 26 Oct 2010 14:59:35 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/vm vm_pageout.c
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nwhitehorn    2010-10-26 14:59:35 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/vm               vm_pageout.c 
  Log:
  SVN rev 214377 on 2010-10-26 14:59:35Z by nwhitehorn
  
  MFC r212360:
  On architectures with non-tree-based page tables like PowerPC, every page
  in a range must be checked when calling pmap_remove(). Calling
  pmap_remove() from vm_pageout_map_deactivate_pages() with the entire range
  of the map could result in attempting to demap an extraordinary number
  of pages (> 10^15), so iterate through each map entry and unmap each of
  them individually.
  
  Revision   Changes    Path
  1.308.2.5  +5 -2      src/sys/vm/vm_pageout.c