Re: mmap 0-th page

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, Jul 26, 2024 at 12:36:29PM +0200, michal.hrachovec@volny.cz wrote:
> Good afternoon,
> 
> I am trying to allocate the 0-th page with mmap function in my code.
> I am always getting this error with this error-code: mmap error ffffffff
> Then I was searching the internet for this topic and I have found the same
> topic at stackoverflow web pages.
> 
> Here I am sending the link:
> https://stackoverflow.com/questions/63790813/allocating-address-zero-on-linux-with-mmap-fails
> 
> I was setting value of |/proc/sys/vm/mmap_min_add to zero and using the root
> privileges along the link.
> And I am having the same problem still.
> 
> Can you help, please.

The stable and regressions mailing list is not the proper place for
this type of question, sorry.

If this is a regression from a previous kernel version, it might be the
place but you don't specify any kernel version information here.

best of luck!

greg k-h