Merge branch 'merge'

4 files changed, 124 insertions, 123 deletions

diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 857b726f4d41..069803f58f3b 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -578,7 +578,7 @@ static inline void local_r4k_flush_icache_page(void *args)
          * secondary cache will result in any entries in the primary caches
          * also getting invalidated which hopefully is a bit more economical.
          */
-        if (cpu_has_subset_pcaches) {
+        if (cpu_has_inclusive_pcaches) {
                 unsigned long addr = (unsigned long) page_address(page);
 
                 r4k_blast_scache_page(addr);
@@ -634,7 +634,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
         /* Catch bad driver code */
         BUG_ON(size == 0);
 
-        if (cpu_has_subset_pcaches) {
+        if (cpu_has_inclusive_pcaches) {
                 if (size >= scache_size)
                         r4k_blast_scache();
                 else
@@ -662,7 +662,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
         /* Catch bad driver code */
         BUG_ON(size == 0);
 
-        if (cpu_has_subset_pcaches) {
+        if (cpu_has_inclusive_pcaches) {
                 if (size >= scache_size)
                         r4k_blast_scache();
                 else
@@ -862,15 +862,18 @@ static void __init probe_pcache(void)
                 break;
 
         case CPU_VR4133:
-                write_c0_config(config & ~CONF_EB);
+                write_c0_config(config & ~VR41_CONF_P4K);
         case CPU_VR4131:
                 /* Workaround for cache instruction bug of VR4131 */
                 if (c->processor_id == 0x0c80U || c->processor_id == 0x0c81U ||
                     c->processor_id == 0x0c82U) {
-                        config &= ~0x00000030U;
-                        config |= 0x00410000U;
+                        config |= 0x00400000U;
+                        if (c->processor_id == 0x0c80U)
+                                config |= VR41_CONF_BP;
                         write_c0_config(config);
-                }
+                } else
+                        c->options |= MIPS_CPU_CACHE_CDEX_P;
+
                 icache_size = 1 << (10 + ((config & CONF_IC) >> 9));
                 c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
                 c->icache.ways = 2;
@@ -880,8 +883,6 @@ static void __init probe_pcache(void)
                 c->dcache.linesz = 16 << ((config & CONF_DB) >> 4);
                 c->dcache.ways = 2;
                 c->dcache.waybit = __ffs(dcache_size/2);
-
-                c->options |= MIPS_CPU_CACHE_CDEX_P;
                 break;
 
         case CPU_VR41XX:
@@ -1192,7 +1193,7 @@ static void __init setup_scache(void)
         printk("Unified secondary cache %ldkB %s, linesize %d bytes.\n",
                scache_size >> 10, way_string[c->scache.ways], c->scache.linesz);
 
-        c->options |= MIPS_CPU_SUBSET_CACHES;
+        c->options |= MIPS_CPU_INCLUSIVE_CACHES;
 }
 
 void au1x00_fixup_config_od(void)
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 802bdd32aa2b..c52497bb102a 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -139,10 +139,36 @@ void __init fixrange_init(unsigned long start, unsigned long end,
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 extern void pagetable_init(void);
 
+static int __init page_is_ram(unsigned long pagenr)
+{
+        int i;
+
+        for (i = 0; i < boot_mem_map.nr_map; i++) {
+                unsigned long addr, end;
+
+                if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
+                        /* not usable memory */
+                        continue;
+
+                addr = PFN_UP(boot_mem_map.map[i].addr);
+                end = PFN_DOWN(boot_mem_map.map[i].addr +
+                               boot_mem_map.map[i].size);
+
+                if (pagenr >= addr && pagenr < end)
+                        return 1;
+        }
+
+        return 0;
+}
+
 void __init paging_init(void)
 {
-        unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+        unsigned long zones_size[] = { [0 ... MAX_NR_ZONES - 1] = 0 };
         unsigned long max_dma, high, low;
+#ifndef CONFIG_FLATMEM
+        unsigned long zholes_size[] = { [0 ... MAX_NR_ZONES - 1] = 0 };
+        unsigned long i, j, pfn;
+#endif
 
         pagetable_init();
 
@@ -174,29 +200,16 @@ void __init paging_init(void)
                 zones_size[ZONE_HIGHMEM] = high - low;
 #endif
 
+#ifdef CONFIG_FLATMEM
         free_area_init(zones_size);
-}
-
-static inline int page_is_ram(unsigned long pagenr)
-{
-        int i;
-
-        for (i = 0; i < boot_mem_map.nr_map; i++) {
-                unsigned long addr, end;
-
-                if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
-                        /* not usable memory */
-                        continue;
-
-                addr = PFN_UP(boot_mem_map.map[i].addr);
-                end = PFN_DOWN(boot_mem_map.map[i].addr +
-                               boot_mem_map.map[i].size);
-
-                if (pagenr >= addr && pagenr < end)
-                        return 1;
-        }
-
-        return 0;
+#else
+        pfn = 0;
+        for (i = 0; i < MAX_NR_ZONES; i++)
+                for (j = 0; j < zones_size[i]; j++, pfn++)
+                        if (!page_is_ram(pfn))
+                                zholes_size[i]++;
+        free_area_init_node(0, NODE_DATA(0), zones_size, 0, zholes_size);
+#endif
 }
 
 static struct kcore_list kcore_mem, kcore_vmalloc;
@@ -213,9 +226,9 @@ void __init mem_init(void)
 #ifdef CONFIG_DISCONTIGMEM
 #error "CONFIG_HIGHMEM and CONFIG_DISCONTIGMEM dont work together yet"
 #endif
-        max_mapnr = num_physpages = highend_pfn;
+        max_mapnr = highend_pfn;
 #else
-        max_mapnr = num_physpages = max_low_pfn;
+        max_mapnr = max_low_pfn;
 #endif
         high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
 
@@ -229,6 +242,7 @@ void __init mem_init(void)
                         if (PageReserved(pfn_to_page(tmp)))
                                 reservedpages++;
                 }
+        num_physpages = ram;
 
 #ifdef CONFIG_HIGHMEM
         for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
@@ -247,6 +261,7 @@ void __init mem_init(void)
                 totalhigh_pages++;
         }
         totalram_pages += totalhigh_pages;
+        num_physpages += totalhigh_pages;
 #endif
 
         codesize =  (unsigned long) &_etext - (unsigned long) &_text;
diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c
index 792c6eb44232..c93aa6cbcaca 100644
--- a/arch/mips/mm/pgtable.c
+++ b/arch/mips/mm/pgtable.c
@@ -15,6 +15,8 @@ void show_mem(void)
         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
         pfn = max_mapnr;
         while (pfn-- > 0) {
+                if (!pfn_valid(pfn))
+                        continue;
                 page = pfn_to_page(pfn);
                 total++;
                 if (PageHighMem(page))
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index e1a8139fc8fb..375e0991505d 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -5,7 +5,7 @@
  *
  * Synthesize TLB refill handlers at runtime.
  *
- * Copyright (C) 2004,2005 by Thiemo Seufer
+ * Copyright (C) 2004,2005,2006 by Thiemo Seufer
  * Copyright (C) 2005  Maciej W. Rozycki
  * Copyright (C) 2006  Ralf Baechle (ralf@linux-mips.org)
  *
@@ -35,8 +35,6 @@
 #include <asm/smp.h>
 #include <asm/war.h>
 
-/* #define DEBUG_TLB */
-
 static __init int __attribute__((unused)) r45k_bvahwbug(void)
 {
         /* XXX: We should probe for the presence of this bug, but we don't. */
@@ -728,6 +726,7 @@ static void __init build_r3000_tlb_refill_handler(void)
 {
         long pgdc = (long)pgd_current;
         u32 *p;
+        int i;
 
         memset(tlb_handler, 0, sizeof(tlb_handler));
         p = tlb_handler;
@@ -753,16 +752,14 @@ static void __init build_r3000_tlb_refill_handler(void)
         if (p > tlb_handler + 32)
                 panic("TLB refill handler space exceeded");
 
-        printk("Synthesized TLB refill handler (%u instructions).\n",
-               (unsigned int)(p - tlb_handler));
-#ifdef DEBUG_TLB
-        {
-                int i;
+        pr_info("Synthesized TLB refill handler (%u instructions).\n",
+                (unsigned int)(p - tlb_handler));
 
-                for (i = 0; i < (p - tlb_handler); i++)
-                        printk("%08x\n", tlb_handler[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - tlb_handler); i++)
+                pr_debug("\t.word 0x%08x\n", tlb_handler[i]);
+        pr_debug("\t.set pop\n");
 
         memcpy((void *)ebase, tlb_handler, 0x80);
 }
@@ -1175,6 +1172,7 @@ static void __init build_r4000_tlb_refill_handler(void)
         struct reloc *r = relocs;
         u32 *f;
         unsigned int final_len;
+        int i;
 
         memset(tlb_handler, 0, sizeof(tlb_handler));
         memset(labels, 0, sizeof(labels));
@@ -1272,24 +1270,21 @@ static void __init build_r4000_tlb_refill_handler(void)
 #endif /* CONFIG_64BIT */
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB refill handler (%u instructions).\n",
-               final_len);
-
-#ifdef DEBUG_TLB
-        {
-                int i;
+        pr_info("Synthesized TLB refill handler (%u instructions).\n",
+                final_len);
 
-                f = final_handler;
+        f = final_handler;
 #ifdef CONFIG_64BIT
-                if (final_len > 32)
-                        final_len = 64;
-                else
-                        f = final_handler + 32;
+        if (final_len > 32)
+                final_len = 64;
+        else
+                f = final_handler + 32;
 #endif /* CONFIG_64BIT */
-                for (i = 0; i < final_len; i++)
-                        printk("%08x\n", f[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < final_len; i++)
+                pr_debug("\t.word 0x%08x\n", f[i]);
+        pr_debug("\t.set pop\n");
 
         memcpy((void *)ebase, final_handler, 0x100);
 }
@@ -1522,6 +1517,7 @@ static void __init build_r3000_tlb_load_handler(void)
         u32 *p = handle_tlbl;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbl, 0, sizeof(handle_tlbl));
         memset(labels, 0, sizeof(labels));
@@ -1541,17 +1537,14 @@ static void __init build_r3000_tlb_load_handler(void)
                 panic("TLB load handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB load handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbl));
-
-#ifdef DEBUG_TLB
-        {
-                int i;
+        pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbl));
 
-                for (i = 0; i < (p - handle_tlbl); i++)
-                        printk("%08x\n", handle_tlbl[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbl); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);
+        pr_debug("\t.set pop\n");
 }
 
 static void __init build_r3000_tlb_store_handler(void)
@@ -1559,6 +1552,7 @@ static void __init build_r3000_tlb_store_handler(void)
         u32 *p = handle_tlbs;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbs, 0, sizeof(handle_tlbs));
         memset(labels, 0, sizeof(labels));
@@ -1578,17 +1572,14 @@ static void __init build_r3000_tlb_store_handler(void)
                 panic("TLB store handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB store handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbs));
+        pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbs));
 
-#ifdef DEBUG_TLB
-        {
-                int i;
-
-                for (i = 0; i < (p - handle_tlbs); i++)
-                        printk("%08x\n", handle_tlbs[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbs); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);
+        pr_debug("\t.set pop\n");
 }
 
 static void __init build_r3000_tlb_modify_handler(void)
@@ -1596,6 +1587,7 @@ static void __init build_r3000_tlb_modify_handler(void)
         u32 *p = handle_tlbm;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbm, 0, sizeof(handle_tlbm));
         memset(labels, 0, sizeof(labels));
@@ -1615,17 +1607,14 @@ static void __init build_r3000_tlb_modify_handler(void)
                 panic("TLB modify handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB modify handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbm));
+        pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbm));
 
-#ifdef DEBUG_TLB
-        {
-                int i;
-
-                for (i = 0; i < (p - handle_tlbm); i++)
-                        printk("%08x\n", handle_tlbm[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbm); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);
+        pr_debug("\t.set pop\n");
 }
 
 /*
@@ -1677,6 +1666,7 @@ static void __init build_r4000_tlb_load_handler(void)
         u32 *p = handle_tlbl;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbl, 0, sizeof(handle_tlbl));
         memset(labels, 0, sizeof(labels));
@@ -1704,17 +1694,14 @@ static void __init build_r4000_tlb_load_handler(void)
                 panic("TLB load handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB load handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbl));
-
-#ifdef DEBUG_TLB
-        {
-                int i;
+        pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbl));
 
-                for (i = 0; i < (p - handle_tlbl); i++)
-                        printk("%08x\n", handle_tlbl[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbl); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);
+        pr_debug("\t.set pop\n");
 }
 
 static void __init build_r4000_tlb_store_handler(void)
@@ -1722,6 +1709,7 @@ static void __init build_r4000_tlb_store_handler(void)
         u32 *p = handle_tlbs;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbs, 0, sizeof(handle_tlbs));
         memset(labels, 0, sizeof(labels));
@@ -1740,17 +1728,14 @@ static void __init build_r4000_tlb_store_handler(void)
                 panic("TLB store handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB store handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbs));
-
-#ifdef DEBUG_TLB
-        {
-                int i;
+        pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbs));
 
-                for (i = 0; i < (p - handle_tlbs); i++)
-                        printk("%08x\n", handle_tlbs[i]);
-        }
-#endif
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbs); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);
+        pr_debug("\t.set pop\n");
 }
 
 static void __init build_r4000_tlb_modify_handler(void)
@@ -1758,6 +1743,7 @@ static void __init build_r4000_tlb_modify_handler(void)
         u32 *p = handle_tlbm;
         struct label *l = labels;
         struct reloc *r = relocs;
+        int i;
 
         memset(handle_tlbm, 0, sizeof(handle_tlbm));
         memset(labels, 0, sizeof(labels));
@@ -1777,17 +1763,14 @@ static void __init build_r4000_tlb_modify_handler(void)
                 panic("TLB modify handler fastpath space exceeded");
 
         resolve_relocs(relocs, labels);
-        printk("Synthesized TLB modify handler fastpath (%u instructions).\n",
-               (unsigned int)(p - handle_tlbm));
-
-#ifdef DEBUG_TLB
-        {
-                int i;
-
-                for (i = 0; i < (p - handle_tlbm); i++)
-                        printk("%08x\n", handle_tlbm[i]);
-        }
-#endif
+        pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",
+                (unsigned int)(p - handle_tlbm));
+
+        pr_debug("\t.set push\n");
+        pr_debug("\t.set noreorder\n");
+        for (i = 0; i < (p - handle_tlbm); i++)
+                pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);
+        pr_debug("\t.set pop\n");
 }
 
 void __init build_tlb_refill_handler(void)