Re: [PATCH v2 00/13] mm: add bitmap VMA flag helpers and convert all mmap_prepare to use them

Andrew Morton
2026-01-22T16:56:05Z

On Thu, 22 Jan 2026 16:06:09 +0000 Lorenzo Stoakes <lorenzo.stoakes@oracle.com> wrote:

> We introduced the bitmap VMA type vma_flags_t in the aptly named commit
> 9ea35a25d51b ("mm: introduce VMA flags bitmap type") in order to permit
> future growth in VMA flags and to prevent the asinine requirement that VMA
> flags be available to 64-bit kernels only if they happened to use a bit
> number about 32-bits.
>
> This is a long-term project as there are very many users of VMA flags
> within the kernel that need to be updated in order to utilise this new
> type.
>
> In order to further this aim, this series adds a number of helper functions
> to enable ordinary interactions with VMA flags - that is testing, setting
> and clearing them.

Thanks, I updated mm.git to this version.

I dropped the memfd_luo.c hunk due to today's inclusion of
https://lkml.kernel.org/r/20260122151842.4069702-3-pratyush@kernel.org

`get_maintainer --nogit' wants me to cc 72 people on this patchset. I
didn't ;)