x86: clean up arch/x86/mm/pageattr.c

[firefly-linux-kernel-4.4.55.git] / arch / x86 / mm / pageattr.c

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 510ff40916674f4d8b66d85b043907cbf79c67d9..a270f9ccebfb004bd98238df6405943b10865ed7 100644 (file)
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -2,7 +2,6 @@
  * Copyright 2002 Andi Kleen, SuSE Labs.
  * Thanks to Ben LaHaise for precious feedback.
  */
-
 #include <linux/highmem.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -50,9 +49,7 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
        /* change init_mm */
        set_pte_atomic(kpte, pte);
 #ifdef CONFIG_X86_32
-       if (SHARED_KERNEL_PMD)
-               return;
-       {
+       if (!SHARED_KERNEL_PMD) {
                struct page *page;
 
                for (page = pgd_list; page; page = (struct page *)page->index) {
@@ -277,14 +274,14 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
                return;
 
        /*
-        * the return value is ignored - the calls cannot fail,
-        * large pages are disabled at boot time.
+        * The return value is ignored - the calls cannot fail,
+        * large pages are disabled at boot time:
         */
        change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0));
 
        /*
-        * we should perform an IPI and flush all tlbs,
-        * but that can deadlock->flush only current cpu.
+        * We should perform an IPI and flush all tlbs,
+        * but that can deadlock->flush only current cpu:
         */
        __flush_tlb_all();
 }