From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BB581E86E for ; Wed, 27 Aug 2025 00:07:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756253221; cv=none; b=Wr0HKeYsr9Uzjv9iCOhranTqSn0a4mYypV3l5GpaOxAbG0eHHtol6IxS3Xtw2rN2081bkvwAccFsh0vvwNKTKQS1srLNGndLpRY1Qr5zgmDTncLGOjZrDBLSx2iz6UdMT94FRX87P1EpHReBEAGRZ7cmAiyYTarqWl7zdtVU3ZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756253221; c=relaxed/simple; bh=L9gUdYH0AG3Xb7qtwnwoAze553YQfNAurFdqGeGb/8E=; h=Date:To:From:Subject:Message-Id; b=PivgY6T3IIKo7ibR9QxDMauJ1CKAlAvc6U7FWKd4n9+JWxjKLfgAFhzQMIyEol/817ZIcPjoKUaezI40oN0jqa2+0mjwmV6OPBVVq/YyPO7mJgWOGJINCIwJf9P+F+2D+aX4gIemGlQyd7KBlTZfM53VY/D8VgxhSOzRiZw/liM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=KU9WUiPk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="KU9WUiPk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE4FFC4CEF1; Wed, 27 Aug 2025 00:07:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1756253220; bh=L9gUdYH0AG3Xb7qtwnwoAze553YQfNAurFdqGeGb/8E=; h=Date:To:From:Subject:From; b=KU9WUiPk+IJt3sIrVK8gxMsVwffQxmKw8cWhqYGq+8VxQnKVVLpf5Nsl9UQWMWzDd 3qXM2yZ1V37eCQ1Q/GUEePwwaQ3urxjPgr3iRoLvUpAL8kk17Efz7yx253rEFosP4F wkZPgw0r1SyaX/029XTRhARFQCTTOq2cD5gwA1UQ= Date: Tue, 26 Aug 2025 17:07:00 -0700 To: mm-commits@vger.kernel.org,david@redhat.com,lorenzo.stoakes@oracle.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix.patch added to mm-unstable branch Message-Id: <20250827000700.DE4FFC4CEF1@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: prefer BIT() to _BITUL() has been added to the -mm mm-unstable branch. Its filename is mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Lorenzo Stoakes Subject: mm: prefer BIT() to _BITUL() Date: Tue, 26 Aug 2025 15:01:18 +0100 BIT() does the same thing, and is defined in actual linux headers rather than a uapi header. per David. Link: https://lkml.kernel.org/r/a0290c77-cd88-46d6-8d9a-073be7600d88@lucifer.local Signed-off-by: Lorenzo Stoakes Cc: David Hildenbrand Signed-off-by: Andrew Morton --- include/linux/mm_types.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) --- a/include/linux/mm_types.h~mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix +++ a/include/linux/mm_types.h @@ -1767,7 +1767,7 @@ enum { * the modes are SUID_DUMP_* defined in linux/sched/coredump.h */ #define MMF_DUMPABLE_BITS 2 -#define MMF_DUMPABLE_MASK (_BITUL(MMF_DUMPABLE_BITS) - 1) +#define MMF_DUMPABLE_MASK (BIT(MMF_DUMPABLE_BITS) - 1) /* coredump filter bits */ #define MMF_DUMP_ANON_PRIVATE 2 #define MMF_DUMP_ANON_SHARED 3 @@ -1782,13 +1782,13 @@ enum { #define MMF_DUMP_FILTER_SHIFT MMF_DUMPABLE_BITS #define MMF_DUMP_FILTER_BITS 9 #define MMF_DUMP_FILTER_MASK \ - ((_BITUL(MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT) + ((BIT(MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT) #define MMF_DUMP_FILTER_DEFAULT \ - (_BITUL(MMF_DUMP_ANON_PRIVATE) | _BITUL(MMF_DUMP_ANON_SHARED) | \ - _BITUL(MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF) + (BIT(MMF_DUMP_ANON_PRIVATE) | BIT(MMF_DUMP_ANON_SHARED) | \ + BIT(MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF) #ifdef CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS -# define MMF_DUMP_MASK_DEFAULT_ELF _BITUL(MMF_DUMP_ELF_HEADERS) +# define MMF_DUMP_MASK_DEFAULT_ELF BIT(MMF_DUMP_ELF_HEADERS) #else # define MMF_DUMP_MASK_DEFAULT_ELF 0 #endif @@ -1808,7 +1808,7 @@ enum { #define MMF_UNSTABLE 22 /* mm is unstable for copy_from_user */ #define MMF_HUGE_ZERO_FOLIO 23 /* mm has ever used the global huge zero folio */ #define MMF_DISABLE_THP 24 /* disable THP for all VMAs */ -#define MMF_DISABLE_THP_MASK _BITUL(MMF_DISABLE_THP) +#define MMF_DISABLE_THP_MASK BIT(MMF_DISABLE_THP) #define MMF_OOM_REAP_QUEUED 25 /* mm was queued for oom_reaper */ #define MMF_MULTIPROCESS 26 /* mm is shared between processes */ /* @@ -1821,15 +1821,15 @@ enum { #define MMF_HAS_PINNED 27 /* FOLL_PIN has run, never cleared */ #define MMF_HAS_MDWE 28 -#define MMF_HAS_MDWE_MASK _BITUL(MMF_HAS_MDWE) +#define MMF_HAS_MDWE_MASK BIT(MMF_HAS_MDWE) #define MMF_HAS_MDWE_NO_INHERIT 29 #define MMF_VM_MERGE_ANY 30 -#define MMF_VM_MERGE_ANY_MASK _BITUL(MMF_VM_MERGE_ANY) +#define MMF_VM_MERGE_ANY_MASK BIT(MMF_VM_MERGE_ANY) #define MMF_TOPDOWN 31 /* mm searches top down by default */ -#define MMF_TOPDOWN_MASK _BITUL(MMF_TOPDOWN) +#define MMF_TOPDOWN_MASK BIT(MMF_TOPDOWN) #define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\ MMF_DISABLE_THP_MASK | MMF_HAS_MDWE_MASK |\ _ Patches currently in -mm which might be from lorenzo.stoakes@oracle.com are mm-add-bitmap-mm-flags-field.patch mm-add-bitmap-mm-flags-field-fix.patch mm-convert-core-mm-to-mm_flags_-accessors.patch mm-convert-prctl-to-mm_flags_-accessors.patch mm-convert-arch-specific-code-to-mm_flags_-accessors.patch mm-convert-arch-specific-code-to-mm_flags_-accessors-fix.patch mm-convert-uprobes-to-mm_flags_-accessors.patch mm-update-coredump-logic-to-correctly-use-bitmap-mm-flags.patch mm-update-coredump-logic-to-correctly-use-bitmap-mm-flags-fix.patch mm-correct-sign-extension-issue-in-mmf_-flag-masks.patch mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix.patch mm-update-fork-mm-flags-initialisation-to-use-bitmap.patch mm-convert-remaining-users-to-mm_flags_-accessors.patch mm-replace-mm-flags-with-bitmap-entirely-and-set-to-64-bits.patch