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CVS commit: [uebayasi-xip] src/sys

Module Name:    src
Committed By:   uebayasi
Date:           Mon Nov 15 17:32:02 UTC 2010

Modified Files:
        src/sys/miscfs/genfs [uebayasi-xip]: genfs_io.c
        src/sys/uvm [uebayasi-xip]: uvm_page.c uvm_page.h

Log Message:
Move zero-page into a common place, in the hope that it's shared
for other purposes.

According to Chuck Silvers, zero-page mappings don't need to be
explicitly unmapped in putpages().  Follow that advice.

To generate a diff of this commit:
cvs rdiff -u -r1.36.2.30 -r1.36.2.31 src/sys/miscfs/genfs/genfs_io.c
cvs rdiff -u -r1.153.2.64 -r1.153.2.65 src/sys/uvm/uvm_page.c
cvs rdiff -u -r1.59.2.35 -r1.59.2.36 src/sys/uvm/uvm_page.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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