From: Kevin Brodsky <kevin.brodsky@arm.com>
To: linux-mm@kvack.org
Cc: Kevin Brodsky <kevin.brodsky@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
linux-arm-kernel@lists.infradead.org,
Huacai Chen <chenhuacai@kernel.org>,
loongarch@lists.linux.dev,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
linux-parisc@vger.kernel.org,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
linuxppc-dev@lists.ozlabs.org, Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
linux-riscv@lists.infradead.org,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
linux-s390@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Andreas Larsson <andreas@gaisler.com>,
sparclinux@vger.kernel.org, Richard Weinberger <richard@nod.at>,
Anton Ivanov <anton.ivanov@cambridgegreys.com>,
Johannes Berg <johannes@sipsolutions.net>,
linux-um@lists.infradead.org, Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ning Sun <ning.sun@intel.com>,
x86@kernel.org, tboot-devel@lists.sourceforge.net,
Ard Biesheuvel <ardb@kernel.org>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
linux-efi@vger.kernel.org, Vishal Moola <vishal.moola@gmail.com>,
Alistair Popple <apopple@nvidia.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: [PATCH 01/22] mm: drop unused __mm_flags_set_mask_bits_word()
Date: Tue, 14 Jul 2026 15:03:50 +0100 [thread overview]
Message-ID: <20260714-remove_pgtable_cdtor-v1-1-44be8a7685d7@arm.com> (raw)
In-Reply-To: <20260714-remove_pgtable_cdtor-v1-0-44be8a7685d7@arm.com>
Commit 39f8049cd49f ("mm: update coredump logic to correctly
use bitmap mm flags") added coredump-specific helpers for the
remaining masked mm-flags update users.
That left __mm_flags_set_mask_bits_word() without any callers.
This is a special-purpose helper that is unlikely to be useful for
other purposes; best to remove it.
Assisted-by: Codex:GPT-5.5
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
---
include/linux/mm_types.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index ae9bca4eda5c..b4129beb9c4a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1432,18 +1432,6 @@ static inline unsigned long __mm_flags_get_word(const struct mm_struct *mm)
return *__mm_flags_get_bitmap(mm);
}
-/*
- * Update the first system word of mm flags ONLY, applying the specified mask to
- * it, then setting all flags specified by bits.
- */
-static inline void __mm_flags_set_mask_bits_word(struct mm_struct *mm,
- unsigned long mask, unsigned long bits)
-{
- unsigned long *bitmap = ACCESS_PRIVATE(&mm->flags, __mm_flags);
-
- set_mask_bits(bitmap, mask, bits);
-}
-
#define MM_MT_FLAGS (MT_FLAGS_ALLOC_RANGE | MT_FLAGS_LOCK_EXTERN | \
MT_FLAGS_USE_RCU)
extern struct mm_struct init_mm;
--
2.51.2
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Brodsky <kevin.brodsky@arm.com>
To: linux-mm@kvack.org
Cc: Kevin Brodsky <kevin.brodsky@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
linux-arm-kernel@lists.infradead.org,
Huacai Chen <chenhuacai@kernel.org>,
loongarch@lists.linux.dev,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
linux-parisc@vger.kernel.org,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
linuxppc-dev@lists.ozlabs.org, Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
linux-riscv@lists.infradead.org,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
linux-s390@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Andreas Larsson <andreas@gaisler.com>,
sparclinux@vger.kernel.org, Richard Weinberger <richard@nod.at>,
Anton Ivanov <anton.ivanov@cambridgegreys.com>,
Johannes Berg <johannes@sipsolutions.net>,
linux-um@lists.infradead.org, Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ning Sun <ning.sun@intel.com>,
x86@kernel.org, tboot-devel@lists.sourceforge.net,
Ard Biesheuvel <ardb@kernel.org>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
linux-efi@vger.kernel.org, Vishal Moola <vishal.moola@gmail.com>,
Alistair Popple <apopple@nvidia.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: [PATCH 01/22] mm: drop unused __mm_flags_set_mask_bits_word()
Date: Tue, 14 Jul 2026 15:03:50 +0100 [thread overview]
Message-ID: <20260714-remove_pgtable_cdtor-v1-1-44be8a7685d7@arm.com> (raw)
In-Reply-To: <20260714-remove_pgtable_cdtor-v1-0-44be8a7685d7@arm.com>
Commit 39f8049cd49f ("mm: update coredump logic to correctly
use bitmap mm flags") added coredump-specific helpers for the
remaining masked mm-flags update users.
That left __mm_flags_set_mask_bits_word() without any callers.
This is a special-purpose helper that is unlikely to be useful for
other purposes; best to remove it.
Assisted-by: Codex:GPT-5.5
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
---
include/linux/mm_types.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index ae9bca4eda5c..b4129beb9c4a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1432,18 +1432,6 @@ static inline unsigned long __mm_flags_get_word(const struct mm_struct *mm)
return *__mm_flags_get_bitmap(mm);
}
-/*
- * Update the first system word of mm flags ONLY, applying the specified mask to
- * it, then setting all flags specified by bits.
- */
-static inline void __mm_flags_set_mask_bits_word(struct mm_struct *mm,
- unsigned long mask, unsigned long bits)
-{
- unsigned long *bitmap = ACCESS_PRIVATE(&mm->flags, __mm_flags);
-
- set_mask_bits(bitmap, mask, bits);
-}
-
#define MM_MT_FLAGS (MT_FLAGS_ALLOC_RANGE | MT_FLAGS_LOCK_EXTERN | \
MT_FLAGS_USE_RCU)
extern struct mm_struct init_mm;
--
2.51.2
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2026-07-14 14:05 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-14 14:03 [PATCH 00/22] Simplify special kernel page table handling Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky [this message]
2026-07-14 14:03 ` [PATCH 01/22] mm: drop unused __mm_flags_set_mask_bits_word() Kevin Brodsky
2026-07-14 14:03 ` [PATCH 02/22] mm: move mm_flags helpers to mm_types.h Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 03/22] mm: introduce MMF_KERNEL flag and set it for init_mm Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:47 ` Dave Hansen
2026-07-14 14:47 ` Dave Hansen
2026-07-14 15:04 ` Lorenzo Stoakes (ARM)
2026-07-14 15:04 ` Lorenzo Stoakes (ARM)
2026-07-14 14:03 ` [PATCH 04/22] mm: use mm_is_kernel() in generic page table code Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:28 ` sashiko-bot
2026-07-14 14:03 ` [PATCH 05/22] arm64: mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 06/22] loongarch: mm: use mm_is_kernel() in switch_mm_irqs_off() Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 07/22] parisc: mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 08/22] powerpc: " Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 09/22] s390: " Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:03 ` [PATCH 10/22] sparc: " Kevin Brodsky
2026-07-14 14:03 ` Kevin Brodsky
2026-07-14 14:04 ` [PATCH 11/22] um: mm: use mm_is_kernel() in TLB sync Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:04 ` [PATCH 12/22] x86/mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 15:09 ` Dave Hansen
2026-07-14 15:09 ` Dave Hansen
2026-07-14 14:04 ` [PATCH 13/22] mm: account page table pages when allocated Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:54 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 14/22] mm: set page table page type " Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:54 ` sashiko-bot
2026-07-14 15:16 ` Vishal Moola
2026-07-14 15:16 ` Vishal Moola
2026-07-14 14:04 ` [PATCH 15/22] mm: only initialise pt_share_count for user pgtables Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:04 ` [PATCH 16/22] efi: mark efi_mm as a kernel mm Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 15:16 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 17/22] mm: pagewalk: drop redundant address check for kernel mm walks Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:42 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 18/22] arm64: mm: drop explicit mm_is_efi() check in contpte Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:04 ` [PATCH 19/22] x86/tboot: mark tboot_mm as a kernel mm Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 15:19 ` Dave Hansen
2026-07-14 15:19 ` Dave Hansen
2026-07-14 14:04 ` [PATCH 20/22] arm64: mm: drop ctor/dtor calls for kernel page tables Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:56 ` sashiko-bot
2026-07-14 14:04 ` [PATCH 21/22] arm: mm: drop ctor call " Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
2026-07-14 14:04 ` [PATCH 22/22] riscv: mm: drop ctor/dtor calls " Kevin Brodsky
2026-07-14 14:04 ` Kevin Brodsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260714-remove_pgtable_cdtor-v1-1-44be8a7685d7@arm.com \
--to=kevin.brodsky@arm.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=agordeev@linux.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=andreas@gaisler.com \
--cc=anton.ivanov@cambridgegreys.com \
--cc=aou@eecs.berkeley.edu \
--cc=apopple@nvidia.com \
--cc=ardb@kernel.org \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=chenhuacai@kernel.org \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=david@kernel.org \
--cc=deller@gmx.de \
--cc=gerald.schaefer@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=ilias.apalodimas@linaro.org \
--cc=johannes@sipsolutions.net \
--cc=liam@infradead.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-um@lists.infradead.org \
--cc=linux@armlinux.org.uk \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=ljs@kernel.org \
--cc=loongarch@lists.linux.dev \
--cc=luto@kernel.org \
--cc=maddy@linux.ibm.com \
--cc=mhocko@suse.com \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=ning.sun@intel.com \
--cc=palmer@dabbelt.com \
--cc=pasha.tatashin@soleen.com \
--cc=peterz@infradead.org \
--cc=pjw@kernel.org \
--cc=richard@nod.at \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=sparclinux@vger.kernel.org \
--cc=surenb@google.com \
--cc=tboot-devel@lists.sourceforge.net \
--cc=tglx@kernel.org \
--cc=vbabka@kernel.org \
--cc=vishal.moola@gmail.com \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.