pkmap_page_table = pte;
}
-static void __meminit free_new_highpage(struct page *page)
-{
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
-}
-
void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro)
{
if (page_is_ram(pfn) && !(bad_ppro && page_kills_ppro(pfn))) {
ClearPageReserved(page);
- free_new_highpage(page);
+ init_page_count(page);
+ __free_page(page);
+ totalhigh_pages++;
} else
SetPageReserved(page);
}
-static int __meminit
-add_one_highpage_hotplug(struct page *page, unsigned long pfn)
-{
- free_new_highpage(page);
- totalram_pages++;
-#ifdef CONFIG_FLATMEM
- max_mapnr = max(pfn, max_mapnr);
-#endif
- num_physpages++;
-
- return 0;
-}
-
-/*
- * Not currently handling the NUMA case.
- * Assuming single node and all memory that
- * has been added dynamically that would be
- * onlined here is in HIGHMEM.
- */
-void __meminit online_page(struct page *page)
-{
- ClearPageReserved(page);
- add_one_highpage_hotplug(page, page_to_pfn(page));
-}
-
#ifndef CONFIG_NUMA
static void __init set_highmem_pages_init(int bad_ppro)
{
{
int i;
- save_pg_dir();
-
/*
* Zap initial low-memory mappings.
*
test_wp_bit();
cpa_init();
-
- /*
- * Subtle. SMP is doing it's boot stuff late (because it has to
- * fork idle threads) - but it also needs low mappings for the
- * protected-mode entry to work. We zap these entries only after
- * the WP-bit has been tested.
- */
-#ifndef CONFIG_SMP
+ save_pg_dir();
zap_low_mappings();
-#endif
}
#ifdef CONFIG_MEMORY_HOTPLUG
unsigned long start = PFN_ALIGN(_text);
unsigned long size = PFN_ALIGN(_etext) - start;
+#ifndef CONFIG_DYNAMIC_FTRACE
+ /* Dynamic tracing modifies the kernel text section */
set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
printk(KERN_INFO "Write protecting the kernel text: %luk\n",
size >> 10);
printk(KERN_INFO "Testing CPA: write protecting again\n");
set_pages_ro(virt_to_page(start), size>>PAGE_SHIFT);
#endif
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
start += size;
size = (unsigned long)__end_rodata - start;
set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);