Re: [PATCH] arm/vdso: introduce vdso_mremap hook

From: Dmitry Safonov
Date: Mon Nov 07 2016 - 13:55:21 EST


On 11/07/2016 09:27 PM, Russell King - ARM Linux wrote:
On Tue, Nov 01, 2016 at 08:22:14PM +0300, Dmitry Safonov wrote:
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
index 53cf86cf2d1a..d1001f87c2f6 100644
--- a/arch/arm/kernel/vdso.c
+++ b/arch/arm/kernel/vdso.c
@@ -54,8 +54,11 @@ static const struct vm_special_mapping vdso_data_mapping = {
.pages = &vdso_data_page,
};

+static int vdso_mremap(const struct vm_special_mapping *sm,
+ struct vm_area_struct *new_vma);

I'd much rather avoid this forward declaration. Is there any reason the
function body can't be here?


Well, I didn't want it to be in the middle of static file variables -
those looks nice at this moment just on top of the file.
No other than that.

--
Dmitry