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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Mon, 26 May 2003 15:54:18 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/ia64/ia64 pmap.c
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marcel      2003/05/26 15:54:18 PDT

  FreeBSD src repository

  Modified files:
    sys/ia64/ia64        pmap.c 
  Log:
  Revision 1.99 of this file changed the allocation request from
  VM_ALLOC_INTERRUPT to VM_ALLOC_SYSTEM. There was no mention of
  this in commit log as it was considered harmless. Guess what:
  it does harm. WITNESS showed that we can not safely grab the
  page queue lock in vm_page_alloc() in all cases as we may have
  to sleep on it. Revert the request to VM_ALLOC_INTERRUPT to
  circumvent this. We panic if vm_page_alloc returns 0. I'm not
  entirely happy about this, but we have bigger fish to fry.
  
  Approved by: re@ (blanket)
  
  Revision  Changes    Path
  1.107     +1 -1      src/sys/ia64/ia64/pmap.c