> On Wed, Mar 18, 2026 at 04:28:17PM -0700, Randy Dunlap wrote:
> 
>> If I apply the patch at
>> https://lore.kernel.org/linux-doc/c5bb61cf789df1ecb32facc29df9749987c7ddfc.1773346620.git.ljs@kernel.org/
>>
>> Subject: [PATCH 02/15] mm: add documentation for the mmap_prepare file operation callback
>>
>> to the Linux kernel tree (e.g., linux-next-20260316), it applies cleanly.
>>
>> I noticed a typo in the patch ("struct vma_area_desc" should be
>> "struct vm_area_desc"). When I run
>> $ git grep vma_area_desc
>> the output is empty.
>>
>> Is this expected? (but not by me :)
> 
> I applied the patch and git-grep does produce one line of output (the
> instance added by the patch).
> 
> Two possible differences:
> 
>   - are you sure the patch application succeeded?

>   - are you in a different subdirectory? By default git-grep narrows its
>     search to your current working directory and its subdirectories. So
>     if you are in arch/ or something, it would not find the result in
>     Documentation/. You can do:
> 
>       git grep vma_area_desc :/
> 
>     to search from the root of the project.