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 4A15B2BE05F for ; Tue, 31 Mar 2026 00:42:34 +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=1774917754; cv=none; b=DaS8vzOoT90JrVqfsmz1KP/ThBHBDiqizMfK8Qpx+EZ9If3Gc43oTEyS0LLP0KdTSzhNRbMe2PsyhAZyhe8SRtO5OmpvtwSKsh5Pcrjp4Z/jCq5yzY3uLbcYJN+AhVJ3Z6gpyNYUZTwH2HNLnYyiUwGBoK00pdRsjRYdbG30OwU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774917754; c=relaxed/simple; bh=jPR4AL5KH3K8uS9UWtD3TRDKrWy5ZZy0GaoZ4LC02H8=; h=Date:To:From:Subject:Message-Id; b=UR6dJ0W8lwiloiV5jJMqwO9DRoDomNL2KGM37z7x7V6QKRg/Hj2wxtzZwU9WqeH+a+KKKZnZxXwD4k6edwmW5elYK2hK/+Vyyvj6J3d/jiVoTeoIhLQPP5MOfZ7A2fDs6uQBTL8vIh09NKDN8QgQ4hoycnuSnc4yHbsDMAgDfmI= 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=dZZL0+Ij; 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="dZZL0+Ij" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4C86C4CEF7; Tue, 31 Mar 2026 00:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1774917753; bh=jPR4AL5KH3K8uS9UWtD3TRDKrWy5ZZy0GaoZ4LC02H8=; h=Date:To:From:Subject:From; b=dZZL0+IjLNybb7WMxhuOAU1M4rd/HuwO07KJFRlTVLjrJAil1FXPuoKh7qp5ClE3m AP1xIbLLCuTlAPYa6SZ8KtQHb13gxZaO2ZMqGiEysEGyw8lJCxmVJr6TIUsPEPwSLx qdm+RmsN5/cHeXPDd1Kxe35BrPK6nOcOJUDUXjl4= Date: Mon, 30 Mar 2026 17:42:33 -0700 To: mm-commits@vger.kernel.org,xu.xin16@zte.com.cn,will@kernel.org,viro@zeniv.linux.org.uk,vgupta@kernel.org,vbabka@kernel.org,tsbogend@alpha.franken.de,svens@linux.ibm.com,surenb@google.com,stephen.smalley.work@gmail.com,rppt@kernel.org,richard@nod.at,pfalcato@suse.de,paul@paul-moore.com,palmer@dabbelt.com,omosnace@redhat.com,npiggin@gmail.com,mpe@ellerman.id.au,mingo@redhat.com,mhocko@suse.com,maddy@linux.ibm.com,linux@armlinux.org.uk,liam.howlett@oracle.com,kernel@xen0n.name,kees@kernel.org,johannes@sipsolutions.net,jannh@google.com,jack@suse.cz,hpa@zytor.com,hca@linux.ibm.com,gor@linux.ibm.com,dinguyen@kernel.org,david@kernel.org,chenhuacai@kernel.org,chengming.zhou@linux.dev,catalin.marinas@arm.com,brauner@kernel.org,bp@alien8.de,borntraeger@linux.ibm.com,aou@eecs.berkeley.edu,anton.ivanov@cambridgegreys.com,alex@ghiti.fr,agordeev@linux.ibm.com,ljs@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-vma-introduce-vma_test-and-make-inlining-consistent.patch removed from -mm tree Message-Id: <20260331004233.D4C86C4CEF7@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/vma: introduce vma_test[_any[_mask]](), and make inlining consistent has been removed from the -mm tree. Its filename was mm-vma-introduce-vma_test-and-make-inlining-consistent.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "Lorenzo Stoakes (Oracle)" Subject: mm/vma: introduce vma_test[_any[_mask]](), and make inlining consistent Date: Fri, 20 Mar 2026 19:38:30 +0000 Introduce helper functions and macros to make it convenient to test flags and flag masks for VMAs, specifically: * vma_test() - determine if a single VMA flag is set in a VMA. * vma_test_any_mask() - determine if any flags in a vma_flags_t value are set in a VMA. * vma_test_any() - Helper macro to test if any of specific flags are set. Also, there are a mix of 'inline's and '__always_inline's in VMA helper function declarations, update to consistently use __always_inline. Finally, update the VMA tests to reflect the changes. Link: https://lkml.kernel.org/r/be1d71f08307d747a82232cbd8664a88c0f41419.1774034900.git.ljs@kernel.org Signed-off-by: Lorenzo Stoakes (Oracle) Acked-by: Vlastimil Babka (SUSE) Cc: Albert Ou Cc: Alexander Gordeev Cc: Alexandre Ghiti Cc: Al Viro Cc: Anton Ivanov Cc: "Borislav Petkov (AMD)" Cc: Catalin Marinas Cc: Chengming Zhou Cc: Christian Borntraeger Cc: Christian Brauner Cc: David Hildenbrand Cc: Dinh Nguyen Cc: Heiko Carstens Cc: "H. Peter Anvin" Cc: Huacai Chen Cc: Ingo Molnar Cc: Jan Kara Cc: Jann Horn Cc: Johannes Berg Cc: Kees Cook Cc: Liam Howlett Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Michal Hocko Cc: Mike Rapoport Cc: Nicholas Piggin Cc: Ondrej Mosnacek Cc: Palmer Dabbelt Cc: Paul Moore Cc: Pedro Falcato Cc: Richard Weinberger Cc: Russell King Cc: Stephen Smalley Cc: Suren Baghdasaryan Cc: Sven Schnelle Cc: Thomas Bogendoerfer Cc: Vasily Gorbik Cc: Vineet Gupta Cc: WANG Xuerui Cc: Will Deacon Cc: xu xin Signed-off-by: Andrew Morton --- include/linux/mm.h | 49 +++++++++++++++++++----- include/linux/mm_types.h | 12 +++-- tools/testing/vma/include/dup.h | 61 +++++++++++++++++++----------- 3 files changed, 88 insertions(+), 34 deletions(-) --- a/include/linux/mm.h~mm-vma-introduce-vma_test-and-make-inlining-consistent +++ a/include/linux/mm.h @@ -994,7 +994,8 @@ static inline void vm_flags_mod(struct v __vm_flags_mod(vma, set, clear); } -static inline bool __vma_atomic_valid_flag(struct vm_area_struct *vma, vma_flag_t bit) +static __always_inline bool __vma_atomic_valid_flag(struct vm_area_struct *vma, + vma_flag_t bit) { const vm_flags_t mask = BIT((__force int)bit); @@ -1009,7 +1010,8 @@ static inline bool __vma_atomic_valid_fl * Set VMA flag atomically. Requires only VMA/mmap read lock. Only specific * valid flags are allowed to do this. */ -static inline void vma_set_atomic_flag(struct vm_area_struct *vma, vma_flag_t bit) +static __always_inline void vma_set_atomic_flag(struct vm_area_struct *vma, + vma_flag_t bit) { unsigned long *bitmap = vma->flags.__vma_flags; @@ -1025,7 +1027,8 @@ static inline void vma_set_atomic_flag(s * This is necessarily racey, so callers must ensure that serialisation is * achieved through some other means, or that races are permissible. */ -static inline bool vma_test_atomic_flag(struct vm_area_struct *vma, vma_flag_t bit) +static __always_inline bool vma_test_atomic_flag(struct vm_area_struct *vma, + vma_flag_t bit) { if (__vma_atomic_valid_flag(vma, bit)) return test_bit((__force int)bit, &vma->vm_flags); @@ -1231,12 +1234,40 @@ static __always_inline bool vma_flags_sa vma_flags_same_mask(flags, mk_vma_flags(__VA_ARGS__)) /* + * Test whether a specific flag in the VMA is set, e.g.: + * + * if (vma_test(vma, VMA_READ_BIT)) { ... } + */ +static __always_inline bool vma_test(const struct vm_area_struct *vma, + vma_flag_t bit) +{ + return vma_flags_test(&vma->flags, bit); +} + +/* Helper to test any VMA flags in a VMA . */ +static __always_inline bool vma_test_any_mask(const struct vm_area_struct *vma, + vma_flags_t flags) +{ + return vma_flags_test_any_mask(&vma->flags, flags); +} + +/* + * Helper macro for testing whether any VMA flags are set in a VMA, + * e.g.: + * + * if (vma_test_any(vma, VMA_IO_BIT, VMA_PFNMAP_BIT, + * VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT)) { ... } + */ +#define vma_test_any(vma, ...) \ + vma_test_any_mask(vma, mk_vma_flags(__VA_ARGS__)) + +/* * Helper to test that ALL specified flags are set in a VMA. * * Note: appropriate locks must be held, this function does not acquire them for * you. */ -static inline bool vma_test_all_mask(const struct vm_area_struct *vma, +static __always_inline bool vma_test_all_mask(const struct vm_area_struct *vma, vma_flags_t flags) { return vma_flags_test_all_mask(&vma->flags, flags); @@ -1256,7 +1287,7 @@ static inline bool vma_test_all_mask(con * Note: appropriate locks must be held, this function does not acquire them for * you. */ -static inline void vma_set_flags_mask(struct vm_area_struct *vma, +static __always_inline void vma_set_flags_mask(struct vm_area_struct *vma, vma_flags_t flags) { vma_flags_set_mask(&vma->flags, flags); @@ -1286,7 +1317,7 @@ static __always_inline bool vma_desc_tes } /* Helper to test any VMA flags in a VMA descriptor. */ -static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, +static __always_inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, vma_flags_t flags) { return vma_flags_test_any_mask(&desc->vma_flags, flags); @@ -1303,7 +1334,7 @@ static inline bool vma_desc_test_any_mas vma_desc_test_any_mask(desc, mk_vma_flags(__VA_ARGS__)) /* Helper to test all VMA flags in a VMA descriptor. */ -static inline bool vma_desc_test_all_mask(const struct vm_area_desc *desc, +static __always_inline bool vma_desc_test_all_mask(const struct vm_area_desc *desc, vma_flags_t flags) { return vma_flags_test_all_mask(&desc->vma_flags, flags); @@ -1319,7 +1350,7 @@ static inline bool vma_desc_test_all_mas vma_desc_test_all_mask(desc, mk_vma_flags(__VA_ARGS__)) /* Helper to set all VMA flags in a VMA descriptor. */ -static inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, +static __always_inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, vma_flags_t flags) { vma_flags_set_mask(&desc->vma_flags, flags); @@ -1336,7 +1367,7 @@ static inline void vma_desc_set_flags_ma vma_desc_set_flags_mask(desc, mk_vma_flags(__VA_ARGS__)) /* Helper to clear all VMA flags in a VMA descriptor. */ -static inline void vma_desc_clear_flags_mask(struct vm_area_desc *desc, +static __always_inline void vma_desc_clear_flags_mask(struct vm_area_desc *desc, vma_flags_t flags) { vma_flags_clear_mask(&desc->vma_flags, flags); --- a/include/linux/mm_types.h~mm-vma-introduce-vma_test-and-make-inlining-consistent +++ a/include/linux/mm_types.h @@ -1087,7 +1087,8 @@ static __always_inline vm_flags_t vma_fl * IMPORTANT: This does not overwrite bytes past the first system word. The * caller must account for this. */ -static inline void vma_flags_overwrite_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_overwrite_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -1114,7 +1115,8 @@ static __always_inline vma_flags_t legac * IMPORTANT: This does not overwrite bytes past the first system word. The * caller must account for this. */ -static inline void vma_flags_overwrite_word_once(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_overwrite_word_once(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -1122,7 +1124,8 @@ static inline void vma_flags_overwrite_w } /* Update the first system word of VMA flags setting bits, non-atomically. */ -static inline void vma_flags_set_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_set_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -1130,7 +1133,8 @@ static inline void vma_flags_set_word(vm } /* Update the first system word of VMA flags clearing bits, non-atomically. */ -static inline void vma_flags_clear_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_clear_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; --- a/tools/testing/vma/include/dup.h~mm-vma-introduce-vma_test-and-make-inlining-consistent +++ a/tools/testing/vma/include/dup.h @@ -764,7 +764,8 @@ static inline bool mm_flags_test(int fla * IMPORTANT: This does not overwrite bytes past the first system word. The * caller must account for this. */ -static inline void vma_flags_overwrite_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_overwrite_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -777,7 +778,8 @@ static inline void vma_flags_overwrite_w * IMPORTANT: This does not overwrite bytes past the first system word. The * caller must account for this. */ -static inline void vma_flags_overwrite_word_once(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_overwrite_word_once(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -785,7 +787,8 @@ static inline void vma_flags_overwrite_w } /* Update the first system word of VMA flags setting bits, non-atomically. */ -static inline void vma_flags_set_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_set_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -793,7 +796,8 @@ static inline void vma_flags_set_word(vm } /* Update the first system word of VMA flags clearing bits, non-atomically. */ -static inline void vma_flags_clear_word(vma_flags_t *flags, unsigned long value) +static __always_inline void vma_flags_clear_word(vma_flags_t *flags, + unsigned long value) { unsigned long *bitmap = flags->__vma_flags; @@ -1003,23 +1007,32 @@ static __always_inline bool vma_flags_sa #define vma_flags_same(flags, ...) \ vma_flags_same_mask(flags, mk_vma_flags(__VA_ARGS__)) -static inline bool vma_test_all_mask(const struct vm_area_struct *vma, - vma_flags_t flags) +static __always_inline bool vma_test(const struct vm_area_struct *vma, + vma_flag_t bit) { - return vma_flags_test_all_mask(&vma->flags, flags); + return vma_flags_test(&vma->flags, bit); } -#define vma_test_all(vma, ...) \ - vma_test_all_mask(vma, mk_vma_flags(__VA_ARGS__)) +static __always_inline bool vma_test_any_mask(const struct vm_area_struct *vma, + vma_flags_t flags) +{ + return vma_flags_test_any_mask(&vma->flags, flags); +} -static inline bool is_shared_maywrite_vm_flags(vm_flags_t vm_flags) +#define vma_test_any(vma, ...) \ + vma_test_any_mask(vma, mk_vma_flags(__VA_ARGS__)) + +static __always_inline bool vma_test_all_mask(const struct vm_area_struct *vma, + vma_flags_t flags) { - return (vm_flags & (VM_SHARED | VM_MAYWRITE)) == - (VM_SHARED | VM_MAYWRITE); + return vma_flags_test_all_mask(&vma->flags, flags); } -static inline void vma_set_flags_mask(struct vm_area_struct *vma, - vma_flags_t flags) +#define vma_test_all(vma, ...) \ + vma_test_all_mask(vma, mk_vma_flags(__VA_ARGS__)) + +static __always_inline void vma_set_flags_mask(struct vm_area_struct *vma, + vma_flags_t flags) { vma_flags_set_mask(&vma->flags, flags); } @@ -1033,8 +1046,8 @@ static __always_inline bool vma_desc_tes return vma_flags_test(&desc->vma_flags, bit); } -static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, - vma_flags_t flags) +static __always_inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, + vma_flags_t flags) { return vma_flags_test_any_mask(&desc->vma_flags, flags); } @@ -1042,7 +1055,7 @@ static inline bool vma_desc_test_any_mas #define vma_desc_test_any(desc, ...) \ vma_desc_test_any_mask(desc, mk_vma_flags(__VA_ARGS__)) -static inline bool vma_desc_test_all_mask(const struct vm_area_desc *desc, +static __always_inline bool vma_desc_test_all_mask(const struct vm_area_desc *desc, vma_flags_t flags) { return vma_flags_test_all_mask(&desc->vma_flags, flags); @@ -1051,8 +1064,8 @@ static inline bool vma_desc_test_all_mas #define vma_desc_test_all(desc, ...) \ vma_desc_test_all_mask(desc, mk_vma_flags(__VA_ARGS__)) -static inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, - vma_flags_t flags) +static __always_inline void vma_desc_set_flags_mask(struct vm_area_desc *desc, + vma_flags_t flags) { vma_flags_set_mask(&desc->vma_flags, flags); } @@ -1060,8 +1073,8 @@ static inline void vma_desc_set_flags_ma #define vma_desc_set_flags(desc, ...) \ vma_desc_set_flags_mask(desc, mk_vma_flags(__VA_ARGS__)) -static inline void vma_desc_clear_flags_mask(struct vm_area_desc *desc, - vma_flags_t flags) +static __always_inline void vma_desc_clear_flags_mask(struct vm_area_desc *desc, + vma_flags_t flags) { vma_flags_clear_mask(&desc->vma_flags, flags); } @@ -1069,6 +1082,12 @@ static inline void vma_desc_clear_flags_ #define vma_desc_clear_flags(desc, ...) \ vma_desc_clear_flags_mask(desc, mk_vma_flags(__VA_ARGS__)) +static inline bool is_shared_maywrite_vm_flags(vm_flags_t vm_flags) +{ + return (vm_flags & (VM_SHARED | VM_MAYWRITE)) == + (VM_SHARED | VM_MAYWRITE); +} + static inline bool is_shared_maywrite(const vma_flags_t *flags) { return vma_flags_test_all(flags, VMA_SHARED_BIT, VMA_MAYWRITE_BIT); _ Patches currently in -mm which might be from ljs@kernel.org are maintainers-update-mglru-entry-to-reflect-current-status.patch selftests-mm-add-merge-test-for-partial-msealed-range.patch