DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
pgd_t swapper_pg_dir[PTRS_PER_PGD];
+unsigned long cached_to_uncached = 0;
void show_mem(void)
{
set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, prot));
- flush_tlb_one(get_asid(), addr);
+ if (cached_to_uncached)
+ flush_tlb_one(get_asid(), addr);
}
/*
}
free_area_init_nodes(max_zone_pfns);
+
+ /* Set up the uncached fixmap */
+ set_fixmap_nocache(FIX_UNCACHED, __pa(&__uncached_start));
+
+#ifdef CONFIG_29BIT
+ /*
+ * Handle trivial transitions between cached and uncached
+ * segments, making use of the 1:1 mapping relationship in
+ * 512MB lowmem.
+ */
+ cached_to_uncached = P2SEG - P1SEG;
+#endif
}
static struct kcore_list kcore_mem, kcore_vmalloc;