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authorWANG Cong <xiyou.wangcong@gmail.com>2008-02-04 22:30:41 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:25 -0800
commitc0a9290ecf0dbb89958cb3a3f78964015a7de402 (patch)
tree1a987905fe5047cd74966149fc11689713cd7bea /arch/um/kernel
parent9226b8384776798986640ce07764d17ba66aa54f (diff)
uml: const and other tidying
This patch also does some improvements for uml code. Improvements include dropping unnecessary cast, killing some unnecessary code and still some constifying for pointers etc.. Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/kernel')
-rw-r--r--arch/um/kernel/mem.c2
-rw-r--r--arch/um/kernel/process.c4
2 files changed, 2 insertions, 4 deletions
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index e3e72418f24..96072e27a0e 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -65,7 +65,7 @@ static void setup_highmem(unsigned long highmem_start,
void __init mem_init(void)
{
/* clear the zero-page */
- memset((void *) empty_zero_page, 0, PAGE_SIZE);
+ memset(empty_zero_page, 0, PAGE_SIZE);
/* Map in the area just after the brk now that kmalloc is about
* to be turned on.
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index c7ea7f2a894..91bd68eaba2 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -60,8 +60,6 @@ unsigned long alloc_stack(int order, int atomic)
if (atomic)
flags = GFP_ATOMIC;
page = __get_free_pages(flags, order);
- if (page == 0)
- return 0;
return page;
}
@@ -331,7 +329,7 @@ void do_uml_exitcalls(void)
(*call)();
}
-char *uml_strdup(char *string)
+char *uml_strdup(const char *string)
{
return kstrdup(string, GFP_KERNEL);
}