Merge branch 'master' of /home/cbou/linux-2.6

[pandora-kernel.git] / arch / ia64 / mm / init.c

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index a4ca657..200100e 100644 (file)
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -58,7 +58,6 @@ __ia64_sync_icache_dcache (pte_t pte)
 {
        unsigned long addr;
        struct page *page;
-       unsigned long order;
 
        page = pte_page(pte);
        addr = (unsigned long) page_address(page);
@@ -66,12 +65,7 @@ __ia64_sync_icache_dcache (pte_t pte)
        if (test_bit(PG_arch_1, &page->flags))
                return;                         /* i-cache is already coherent with d-cache */
 
-       if (PageCompound(page)) {
-               order = compound_order(page);
-               flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT));
-       }
-       else
-               flush_icache_range(addr, addr + PAGE_SIZE);
+       flush_icache_range(addr, addr + (PAGE_SIZE << compound_order(page)));
        set_bit(PG_arch_1, &page->flags);       /* mark page as clean */
 }
 
@@ -553,12 +547,10 @@ find_largest_hole (u64 start, u64 end, void *arg)
 #endif /* CONFIG_VIRTUAL_MEM_MAP */
 
 int __init
-register_active_ranges(u64 start, u64 end, void *arg)
+register_active_ranges(u64 start, u64 len, int nid)
 {
-       int nid = paddr_to_nid(__pa(start));
+       u64 end = start + len;
 
-       if (nid < 0)
-               nid = 0;
 #ifdef CONFIG_KEXEC
        if (start > crashk_res.start && start < crashk_res.end)
                start = crashk_res.end;
@@ -690,15 +682,6 @@ mem_init (void)
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG
-void online_page(struct page *page)
-{
-       ClearPageReserved(page);
-       init_page_count(page);
-       __free_page(page);
-       totalram_pages++;
-       num_physpages++;
-}
-
 int arch_add_memory(int nid, u64 start, u64 size)
 {
        pg_data_t *pgdat;
@@ -736,3 +719,28 @@ out:
 EXPORT_SYMBOL_GPL(remove_memory);
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 #endif
+
+/*
+ * Even when CONFIG_IA32_SUPPORT is not enabled it is
+ * useful to have the Linux/x86 domain registered to
+ * avoid an attempted module load when emulators call
+ * personality(PER_LINUX32). This saves several milliseconds
+ * on each such call.
+ */
+static struct exec_domain ia32_exec_domain;
+
+static int __init
+per_linux32_init(void)
+{
+       ia32_exec_domain.name = "Linux/x86";
+       ia32_exec_domain.handler = NULL;
+       ia32_exec_domain.pers_low = PER_LINUX32;
+       ia32_exec_domain.pers_high = PER_LINUX32;
+       ia32_exec_domain.signal_map = default_exec_domain.signal_map;
+       ia32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;
+       register_exec_domain(&ia32_exec_domain);
+
+       return 0;
+}
+
+__initcall(per_linux32_init);