Re: [PATCH v2 00/14] mm/shmem: various (urgent?) fixes

[Baolin Wang]

On 10/27/26 9:03 PM, David Hildenbrand (Arm) wrote:
> Hi,
>
> see v1 for details. TL;DR various fixes.
>
> I now rebased on top of mm-stable (thanks Zi!) and retested with
> Gregory's tests (thanks!). Thanks everyone for the fast review!
>
> When sending this upstream there will be one conflict with the following
> upstream commit:
>
> 	737362c7012a ("fs: port ->set_acl() to pass const mnt_idmap")
>
> Which should get resolved through something like
>
> diff --git a/mm/shmem.c b/mm/shmem.c
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@
> -static int shmem_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
> +static int shmem_set_acl(const struct mnt_idmap *idmap, struct dentry *dentry,
>   		struct posix_acl *acl, int type)
>
> Signed-off-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
> ---
> Changes in v2:
> - Rebased on mm-stable
>   - Fixup shmem_set_acl() compilation issue after rebase
>   - Dropped: "mm/shmem: avoid moving the truncation start backwards"
>   - Fixed up: "mm/shmem: stop retrying folios that cannot be split"
> - In "hugetlbfs: enforce F_SEAL_EXEC in setattr", check for S_ISREG
> - Smaller patch description fixups
> - Picked up tags
> - Link to v1: https://patch.msgid.link/20261026-fixes_shmem-v1-0-703206d5fa0c@xxxxxxxxxx

why drop this fix "mm/shmem: hold off eviction in shmem_writeout()" from v2?

https://lore.kernel.org/all/20261026-fixes_shmem-v1-6-703206d5fa0c@xxxxxxxxxx/#t