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@xxxxxxxxxx> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> --- mm/ioremap.c | 4 ++++ 1 file changed, 4 insertions(+)
Reviewed-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
