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From: Kevin Brodsky <kevin.brodsky@arm.com>
To: linux-mm@kvack.org
Cc: Kevin Brodsky <kevin.brodsky@arm.com>,
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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



  reply	other threads:[~2026-07-14 14:05 UTC|newest]

Thread overview: 28+ 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 [this message]
2026-07-14 14:03 ` [PATCH 02/22] mm: move mm_flags helpers to mm_types.h 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 14:47   ` Dave Hansen
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 ` [PATCH 05/22] arm64: mm: use mm_is_kernel() for kernel mm checks 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 ` [PATCH 07/22] parisc: mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
2026-07-14 14:03 ` [PATCH 08/22] powerpc: " Kevin Brodsky
2026-07-14 14:03 ` [PATCH 09/22] s390: " Kevin Brodsky
2026-07-14 14:03 ` [PATCH 10/22] sparc: " 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 ` [PATCH 12/22] x86/mm: use mm_is_kernel() for kernel mm checks Kevin Brodsky
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 ` [PATCH 14/22] mm: set page table page type " Kevin Brodsky
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 ` [PATCH 16/22] efi: mark efi_mm as a kernel mm Kevin Brodsky
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 ` [PATCH 18/22] arm64: mm: drop explicit mm_is_efi() check in contpte Kevin Brodsky
2026-07-14 14:04 ` [PATCH 19/22] x86/tboot: mark tboot_mm as a kernel mm Kevin Brodsky
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 ` [PATCH 21/22] arm: mm: drop ctor call " Kevin Brodsky
2026-07-14 14:04 ` [PATCH 22/22] riscv: mm: drop ctor/dtor calls " Kevin Brodsky

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