Re: [PATCH] mm: make __GFP_SKIP_ZERO visible to skip zero operation

From: Matthew Wilcox
Date: Thu Aug 31 2023 - 08:16:36 EST


On Thu, Aug 31, 2023 at 06:52:52PM +0800, zhaoyang.huang wrote:
> From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
>
> There is no explicit gfp flags to let the allocation skip zero
> operation when CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y. I would like to make
> __GFP_SKIP_ZERO be visible even if kasan is not configured.

This bypasses a security feature so you're going to have to do a little
better than "I want it".

> Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
> ---
> include/linux/gfp_types.h | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> mode change 100644 => 100755 include/linux/gfp_types.h

What is this garbage? Header files should not be executable.