Dan reported I'd messed up some bits vs masks here: https://lore.kernel.org/linux-fsdevel/1a6dc6a5-b5b6-494c-b94b-f6655da51bb9@moroto.mountain/T/#u Please add as a fix for "proc: rewrite stable_page_flags()" --- fs/proc/page.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/proc/page.c b/fs/proc/page.c index 55b01535eb22..2fb64bdb64eb 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -153,7 +153,7 @@ u64 stable_page_flags(const struct page *page) * to make sure a given page is a thp, not a non-huge compound page. */ else if (folio_test_large(folio)) { - if ((k & PG_lru) || is_anon) + if ((k & (1 << PG_lru)) || is_anon) u |= 1 << KPF_THP; else if (is_huge_zero_folio(folio)) { u |= 1 << KPF_ZERO_PAGE; @@ -205,7 +205,7 @@ u64 stable_page_flags(const struct page *page) u |= kpf_copy_bit(k, KPF_MLOCKED, PG_mlocked); #ifdef CONFIG_MEMORY_FAILURE - if (u & KPF_HUGE) + if (u & (1 << KPF_HUGE)) u |= kpf_copy_bit(k, KPF_HWPOISON, PG_hwpoison); else u |= kpf_copy_bit(page->flags, KPF_HWPOISON, PG_hwpoison); -- 2.43.0
