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Re: kern/45746: UVM_KMF_COLORMATCH/UVM_FLAG_COLORMATCH problems
The following reply was made to PR kern/45746; it has been noted by GNATS.
From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: kern/45746: UVM_KMF_COLORMATCH/UVM_FLAG_COLORMATCH problems
Date: Tue, 27 Dec 2011 21:38:46 +0900
Just FYI,
http://mail-index.NetBSD.org/netbsd-bugs/2011/11/15/msg024876.html
- we need to handle both VA colors and PA colors separately
(I'm not sure if we should also put them into uvmexp)
- currently uvm_pagealloc_pgfl() is used to allocate a specific color
page to avoid aliasing for VA colors, but it just tries to search
the specified color and may still return colormiss++ pages
---
Izumi Tsutsui
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