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List:       linux-ppc
Subject:    Fix for BAT mapping calculation
From:       Mich Lanners <mlan () cpu ! lu>
Date:       2003-11-20 20:51:37
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Hi,

The attached patch fixes a cosmetic problem with displaying the
RAM-to-BAT mapping on kernel start.

Please apply to 2.4 kernels (don't know whether 2.6 has the same bug).

Cheers

Michel

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Michel Lanners                 |  " Read Philosophy.  Study Art.
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["pgtable.c.diff" (TEXT/PLAIN)]

--- arch/ppc/mm/pgtable.c.orig	Thu Nov 20 21:42:39 2003
+++ arch/ppc/mm/pgtable.c	Thu Nov 20 21:43:00 2003
@@ -238,7 +238,7 @@

 	printk(KERN_INFO "Memory BAT mapping: BAT2=%ldMb, BAT3=%ldMb,"
 			" residual: %ldMb\n", __bat2 >> 20, __bat3 >> 20,
-			(total_memory - (__bat2 - __bat3)) >> 20);
+			(total_memory - (__bat2 + __bat3)) >> 20);

 	/* On SMP, we limit the lowmem to the area mapped with BATs.
 	 * We also assume nobody will do SMP with 601s

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