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Date:   Wed, 23 Aug 2023 13:06:52 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Khadija Kamran <kamrankhadijadj@gmail.com>
Cc:     linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Serge Hallyn <serge@hallyn.com>,
        Paul Moore <paul@paul-moore.com>,
        James Morris <jmorris@namei.org>,
        linux-security-module@vger.kernel.org,
        Stephen Smalley <stephen.smalley.work@gmail.com>,
        Eric Paris <eparis@parisplace.org>, selinux@vger.kernel.org,
        ztarkhani@microsoft.com, alison.schofield@intel.com
Subject: Re: [PATCH] lsm: constify the 'mm' parameter in
 security_vm_enough_memory_mm()
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References: <ZOWtBTKkfcc8sKkY@gmail.com>
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On Wed, Aug 23, 2023 at 11:53:57AM +0500, Khadija Kamran wrote:
> +++ b/include/linux/mm.h
> @@ -3064,7 +3064,7 @@ void anon_vma_interval_tree_verify(struct anon_vma_chain *node);
>  	     avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))
>  
>  /* mmap.c */
> -extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
> +extern int __vm_enough_memory(const struct mm_struct *mm, long pages, int cap_sys_admin);

Could you remove the 'extern' when you touch a function prototype?