On Tue, Aug 20, 2024 at 09:53:11AM +0800, zhangchun wrote: > kmap_high is defined as EXPORT_SYMBOL, and cannot be called from atomic > context. Add might_sleep check is necessary. No. Nobody should be calling kmap_high() directly. There's already a might_sleep() in kmap(). No need to add one in kmap_high().
