Re: [PATCH v5 RESEND 06/17] mm/ioremap: add slab availability checking in ioremap_prot

Kefeng Wang
2023-05-18T01:57:35Z

On 2023/5/15 17:08, Baoquan He wrote:
> Several architectures has done checking if slab if available in
> ioremap_prot(). In fact it should be done in generic ioremap_prot()
> since on any architecutre, slab allocator must be available before
> get_vm_area_caller() and vunmap() are used.
>
> Add the checking into generic_ioremap_prot().
>
> Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> ---
> mm/ioremap.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>