Re: [PATCH v2 08/70] mm/mmap: Change find_vma() to use the maple tree

From: Randy Dunlap
Date: Tue Jan 12 2021 - 16:51:20 EST


Hi,
Please adjust the kernel-doc to be correct :)

On 1/12/21 8:11 AM, Liam R. Howlett wrote:
> Start using the maple tree to find VMA entries in an mm_struct.
>
> Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
> ---
> mm/mmap.c | 29 +++++++++++------------------
> 1 file changed, 11 insertions(+), 18 deletions(-)
>
> diff --git a/mm/mmap.c b/mm/mmap.c
> index 65789b188c380..ab1cb0efc4c65 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -2474,10 +2474,17 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
>
> EXPORT_SYMBOL(get_unmapped_area);
>
> -/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
> +/**
> + * find_vma() - Find the VMA for a given address, or the next vma. May return
> + * NULL in the case of no vma at addr or above

%NULL

> + * @mm The mm_struct to check

* @mm: ...

> + * @addr: The address
> + *
> + * Returns: The VMA assoicated with addr, or the next vma.

associated

> + * May return NULL in the case of no vma at addr or above.

%NULL

> + */
> struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
> {


thanks.
--
~Randy