On Mon, Nov 1, 2021 at 1:45 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > Should probbaly cc Linus, and also note that Stephen noticed & fixed > this problem already. > https://lore.kernel.org/lkml/20211101174846.2b1097d7@xxxxxxxxxxxxxxxx/ Oh, yes, I forgot that fix. Anyway picking either one is fine to me. > > I didn't know about it at the time I sent the pull request because it > hadn't been merged at that point. It is fine. I really don't mean blame to you. > > On Mon, Nov 01, 2021 at 12:43:36PM -0700, Yang Shi wrote: > > The below build failure when !CONFIG_MEMORY_FAILURE was reported for > > v5.16 merge window: > > In file included from include/linux/mmzone.h:22, > > from include/linux/gfp.h:6, > > from include/linux/slab.h:15, > > from include/linux/crypto.h:20, > > from arch/x86/kernel/asm-offsets.c:9: > > include/linux/page-flags.h:806:29: error: macro "PAGEFLAG_FALSE" > > requires 2 arguments, but only 1 given > > 806 | PAGEFLAG_FALSE(HasHWPoisoned) > > | ^ > > include/linux/page-flags.h:411: note: macro "PAGEFLAG_FALSE" defined here > > 411 | #define PAGEFLAG_FALSE(uname, lname) TESTPAGEFLAG_FALSE(uname, lname) \ > > | > > include/linux/page-flags.h:807:39: error: macro "TESTSCFLAG_FALSE" > > requires 2 arguments, but only 1 given > > 807 | TESTSCFLAG_FALSE(HasHWPoisoned) > > | ^ > > include/linux/page-flags.h:414: note: macro "TESTSCFLAG_FALSE" defined here > > 414 | #define TESTSCFLAG_FALSE(uname, lname) > > \ > > | > > include/linux/page-flags.h:806:1: error: unknown type name 'PAGEFLAG_FALSE' > > 806 | PAGEFLAG_FALSE(HasHWPoisoned) > > | ^~~~~~~~~~~~~~ > > include/linux/page-flags.h:807:25: error: expected ';' before 'static' > > 807 | TESTSCFLAG_FALSE(HasHWPoisoned) > > | ^ > > | ; > > ...... > > 815 | static inline bool is_page_hwpoison(struct page *page) > > | ~~~~~~ > > make[2]: *** [scripts/Makefile.build:121: arch/x86/kernel/asm-offsets.s] Error 1 > > > > The commit d389a4a81155 ("mm: Add folio flag manipulation functions") > > changed the definition of PAGEFLAG macros, this caused the build failure > > for HasHWPoisoned flag. The new flag was introduced by commit > > eac96c3efdb5 ("mm: filemap: check if THP has hwpoisoned subpage for PMD > > page fault") in v5.15-rc7. But the folio series pull request was > > prepared before v5.15, so this new flag was missed. > > > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > Cc: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> > > Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> > > Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > > Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> > > Signed-off-by: Yang Shi <shy828301@xxxxxxxxx> > > --- > > include/linux/page-flags.h | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h > > index d8623d6e1141..981341a3c3c4 100644 > > --- a/include/linux/page-flags.h > > +++ b/include/linux/page-flags.h > > @@ -803,8 +803,8 @@ PAGEFLAG_FALSE(DoubleMap, double_map) > > PAGEFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND) > > TESTSCFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND) > > #else > > -PAGEFLAG_FALSE(HasHWPoisoned) > > - TESTSCFLAG_FALSE(HasHWPoisoned) > > +PAGEFLAG_FALSE(HasHWPoisoned, has_hwpoisoned) > > + TESTSCFLAG_FALSE(HasHWPoisoned, has_hwpoisoned) > > #endif > > > > /* > > -- > > 2.26.2 > > > >
