On Wed, 6 Jan 2021 17:03:48 -0800
Linus Torvalds <[email protected]> wrote:
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -366,7 +366,7 @@ static inline void skb_frag_size_sub(skb_frag_t *frag,
> int delta)
> static inline bool skb_frag_must_loop(struct page *p)
> {
> #if defined(CONFIG_HIGHMEM)
> - if (PageHighMem(p))
> + if (IS_ENABLED(CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP) || PageHighMem(p))
> return true;
> #endif
> return false;
I applied this and I haven't been able to crash it again.
Thanks,
-- Steve
