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PR/55366 CVS commit: src/sys/uvm

The following reply was made to PR kern/55366; it has been noted by GNATS.

From: "Chuck Silvers" <>
Subject: PR/55366 CVS commit: src/sys/uvm
Date: Mon, 21 Sep 2020 18:41:59 +0000

 Module Name:	src
 Committed By:	chs
 Date:		Mon Sep 21 18:41:59 UTC 2020
 Modified Files:
 	src/sys/uvm: uvm_amap.c uvm_io.c
 Log Message:
 the previous fix for PR 55366 in uvm_amap.c 1.124 was incomplete:
  - amap_adjref_anons() must also ignore AMAP_REFALL when updating
    the ppref, not just when deciding whether or not to initialize ppref.
  - UVM_EXTRACT_QREF relies on AMAP_REFALL to work properly,
    and since we can't use AMAP_REFALL then we can't use QREF either.
 To generate a diff of this commit:
 cvs rdiff -u -r1.124 -r1.125 src/sys/uvm/uvm_amap.c
 cvs rdiff -u -r1.28 -r1.29 src/sys/uvm/uvm_io.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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