sh: Handle fixmap TLB eviction more coherently.

[linux-2.6-omap-h63xx.git] / arch / sh / mm / init.c

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 4abf00031daef8521e39d09a1d032f1d937b26af..6cbef8caeb560e69776579d5525bbad028e9aaec 100644 (file)
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -137,6 +137,7 @@ void __init page_table_range_init(unsigned long start, unsigned long end,
 void __init paging_init(void)
 {
        unsigned long max_zone_pfns[MAX_NR_ZONES];
+       unsigned long vaddr;
        int nid;
 
        /* We don't need to map the kernel through the TLB, as
@@ -148,10 +149,15 @@ void __init paging_init(void)
         * check for a null value. */
        set_TTB(swapper_pg_dir);
 
-       /* Populate the relevant portions of swapper_pg_dir so that
+       /*
+        * Populate the relevant portions of swapper_pg_dir so that
         * we can use the fixmap entries without calling kmalloc.
-        * pte's will be filled in by __set_fixmap(). */
-       page_table_range_init(FIXADDR_START, FIXADDR_TOP, swapper_pg_dir);
+        * pte's will be filled in by __set_fixmap().
+        */
+       vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
+       page_table_range_init(vaddr, 0, swapper_pg_dir);
+
+       kmap_coherent_init();
 
        memset(max_zone_pfns, 0, sizeof(max_zone_pfns));