+ mm-correct-sign-extension-issue-in-mmf_-flag-masks-fix.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

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

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------------------------------------------------------
From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
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 <lorenzo.stoakes@oracle.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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