[PATCH 2/3] x86/mm: Simplify for-loop in free_init_pages()

Pekka Enberg
2012-07-14T13:41:20Z

As a cleanup, move initial "addr" assignment to the for-loop construct
in free_init_pages().

Cc: Tejun Heo <tj@kernel.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
arch/x86/mm/init.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 9eb53c2..e270f94 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -349,8 +349,6 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
if (begin >= end)
return;

- addr = begin;
-
/*
* If debugging page accesses then do not free this memory but
* mark them not present - any buggy init-section access will
@@ -371,7 +369,7 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)

printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10);

- for (; addr < end; addr += PAGE_SIZE) {
+ for (addr = begin; addr < end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
--
1.7.7.6