From: David Blythe <blythe@routefree.com>
To: linuxppc-embedded@lists.linuxppc.org
Subject: MMU_init buglet in 2.4.0-mvista_010216
Date: Sat, 10 Mar 2001 21:02:04 -0800 [thread overview]
Message-ID: <3AAB06CC.F5E5A5BA@routefree.com> (raw)
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memory sizes > 16M but not a multiple of 16M not quite right. for the
24M config i was playing with it manifests itself as a tlb miss/kernel
stack overflow.
patch attached.
david
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Index: arch/ppc/mm/init.c
===================================================================
diff -u -r1.1.1.4 init.c
--- arch/ppc/mm/init.c 2001/02/21 00:52:57 1.1.1.4
+++ arch/ppc/mm/init.c 2001/03/11 04:52:27
@@ -1015,7 +1015,7 @@
/* ----- pin 4MB chunks of memory ----- */
if (size_pinned < size_DRAM) {
- pinned_tlbs = ((size_DRAM - size_pinned) / SIZE_4MB);
+ pinned_tlbs += ((size_DRAM - size_pinned) / SIZE_4MB);
if (pinned_tlbs > PPC4xx_MAX_PINNED_TLB) {
printk(KERN_ERR "MMU_init(): memory configuration requires %d tlb entries.\n",
next reply other threads:[~2001-03-11 5:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-11 5:02 David Blythe [this message]
2001-03-11 5:46 ` MMU_init buglet in 2.4.0-mvista_010216 Frank Rowand
2001-03-11 16:27 ` Dan Malek
2001-03-12 19:36 ` Frank Rowand
2001-03-11 22:03 ` Grant Erickson
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