Re: [BUG] from x86: Support kmap_local() forced debugging
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2021-01-07 01:50:16
Also in:
linux-mm, lkml
On Wed, 6 Jan 2021 17:03:48 -0800 Linus Torvalds [off-list ref] wrote:
quoted hunk ↗ jump to hunk
--- 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