Merge remote-tracking branch 'origin/x86/mm' into x86/mm2

Explicitly merging these two branches due to nontrivial conflicts and
to allow further work.

Resolved Conflicts:
	arch/x86/kernel/head32.c
	arch/x86/kernel/head64.c
	arch/x86/mm/init_64.c
	arch/x86/realmode/init.c

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 8 insertions, 10 deletions

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index e2fcbc34c9df..edaa2daf4b37 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -804,12 +804,10 @@ void set_kernel_text_ro(void)
 void mark_rodata_ro(void)
 {
         unsigned long start = PFN_ALIGN(_text);
-        unsigned long rodata_start =
-                ((unsigned long)__start_rodata + PAGE_SIZE - 1) & PAGE_MASK;
+        unsigned long rodata_start = PFN_ALIGN(__start_rodata);
         unsigned long end = (unsigned long) &__end_rodata_hpage_align;
-        unsigned long text_end = PAGE_ALIGN((unsigned long) &__stop___ex_table);
-        unsigned long rodata_end = PAGE_ALIGN((unsigned long) &__end_rodata);
-        unsigned long data_start = (unsigned long) &_sdata;
+        unsigned long text_end = PFN_ALIGN(&__stop___ex_table);
+        unsigned long rodata_end = PFN_ALIGN(&__end_rodata);
         unsigned long all_end = PFN_ALIGN(&_end);
 
         printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
@@ -835,12 +833,12 @@ void mark_rodata_ro(void)
 #endif
 
         free_init_pages("unused kernel memory",
-                        (unsigned long) page_address(virt_to_page(text_end)),
-                        (unsigned long)
-                                 page_address(virt_to_page(rodata_start)));
+                        (unsigned long) __va(__pa_symbol(text_end)),
+                        (unsigned long) __va(__pa_symbol(rodata_start)));
+
         free_init_pages("unused kernel memory",
-                        (unsigned long) page_address(virt_to_page(rodata_end)),
-                        (unsigned long) page_address(virt_to_page(data_start)));
+                        (unsigned long) __va(__pa_symbol(rodata_end)),
+                        (unsigned long) __va(__pa_symbol(_sdata)));
 }
 
 #endif