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SubjectRe: Warn about trap for programmer in mm.h
From
   From: Pavel Machek <pavel@ucw.cz>
Date: Thu, 25 Apr 2002 12:04:40 +0200

As suggested by A.Morton:
... Pavel

#define PG_launder 15 /* written out by VM pressure.. */
-
#define PG_private 16 /* Has something at ->private */
+/* Top 8 bits are used for page's zone in 2.4-ac and 2.5, don't use them */

What does top 8 bites mean on a type whose size
is dependent upon the architecture? :-)
-
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