Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e4b71dcf54fa90fc30fb901bbce7e38a46467af7
Commit: e4b71dcf54fa90fc30fb901bbce7e38a46467af7
Parent: 4554ab95c2b9d6b0ee9cf2a7ed3df665422acebb
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:34:04 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:34:04 2008 +0100
x86: clean up arch/x86/mm/pageattr.c
do some leftover cleanups in the now unified arch/x86/mm/pageattr.c
file.
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/mm/pageattr.c | 13 +++++--------
include/asm-x86/pgtable_64.h | 2 ++
2 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 510ff40..a270f9c 100644
--- 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();
}
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 223b003..faa6a96 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -25,6 +25,8 @@ extern void clear_kernel_mapping(unsigned long addr, unsigned
long size);
#endif /* !__ASSEMBLY__ */
+#define SHARED_KERNEL_PMD 1
+
/*
* PGDIR_SHIFT determines what a top-level page table entry can map
*/
-
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