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powerpc: Create next_tlbcam_idx percpu variable for FSL_BOOKE

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This is used to round-robin TLBCAM entries.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Becky Bruce
2011-06-28 14:54:47 -05:00
committed by Kumar Gala
parent f6ad160e6f
commit 3160b09796
4 changed files with 24 additions and 0 deletions
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9
arch/powerpc/mm/mem.c
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@@ -353,6 +353,15 @@ void __init mem_init(void)
}
#endif /* CONFIG_HIGHMEM */
#if defined(CONFIG_PPC_FSL_BOOK3E) && !defined(CONFIG_SMP)
/*
* If smp is enabled, next_tlbcam_idx is initialized in the cpu up
* functions.... do it here for the non-smp case.
*/
per_cpu(next_tlbcam_idx, smp_processor_id()) =
(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
#endif
printk(KERN_INFO "Memory: %luk/%luk available (%luk kernel code, "
"%luk reserved, %luk data, %luk bss, %luk init)\n",
nr_free_pages() << (PAGE_SHIFT-10),