The patch titled Subject: arch/x86/mm/pageattr-test.c: fix false positive in CPA self test has been added to the -mm tree. Its filename is arch-x86-mm-pageattr-testc-fix-false-positive-in-cpa-self-test.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrea Arcangeli <aarcange@xxxxxxxxxx> Subject: arch/x86/mm/pageattr-test.c: fix false positive in CPA self test If the pmd is not present, _PAGE_PSE will not be set anymore. Fix the false positive. Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> Reported-by: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/x86/mm/pageattr-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN arch/x86/mm/pageattr-test.c~arch-x86-mm-pageattr-testc-fix-false-positive-in-cpa-self-test arch/x86/mm/pageattr-test.c --- a/arch/x86/mm/pageattr-test.c~arch-x86-mm-pageattr-testc-fix-false-positive-in-cpa-self-test +++ a/arch/x86/mm/pageattr-test.c @@ -68,7 +68,7 @@ static int print_split(struct split_stat s->gpg++; i += GPS/PAGE_SIZE; } else if (level == PG_LEVEL_2M) { - if (!(pte_val(*pte) & _PAGE_PSE)) { + if ((pte_val(*pte) & _PAGE_PRESENT) && !(pte_val(*pte) & _PAGE_PSE)) { printk(KERN_ERR "%lx level %d but not PSE %Lx\n", addr, level, (u64)pte_val(*pte)); _ Patches currently in -mm which might be from aarcange@xxxxxxxxxx are mm-pageattr-convert-noop-to-functional-fix.patch arch-x86-mm-pageattr-testc-fix-false-positive-in-cpa-self-test.patch thp-fix-comment-about-memory-barrier.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html