Re: MMU_init buglet in 2.4.0-mvista_010216
From: Frank Rowand <hidden>
Date: 2001-03-11 05:46:46
David Blythe wrote:
quoted hunk ↗ jump to hunk
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 ------------------------------------------------------------------------------------------------------------------------------------ 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",
Thank you David, I merged your fix. -Frank -- Frank Rowand [off-list ref] MontaVista Software, Inc ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/