linux-kernel - [PATCH 0/7] mm/gup: Minor fix, cleanup and improvements

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Message-ID: <20250330121718.175815-1-bhe@redhat.com>
Date: Sun, 30 Mar 2025 20:17:10 +0800
From: Baoquan He <bhe@...hat.com>
To: akpm@...ux-foundation.org
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Baoquan He <bhe@...hat.com>
Subject: [PATCH 0/7] mm/gup: Minor fix, cleanup and improvements

These are made when I explore codes in mm/gup.c.

Baoquan He (7):
  mm/gup: fix wrongly calculated returned value in
    fault_in_safe_writeable()
  mm/gup: check if both GUP_GET and GUP_PIN are set in
    __get_user_pages() earlier
  mm/gup: Fix the outdated code comments above get_user_pages_unlocked()
  mm/gup: remove gup_fast_pgd_leaf() and clean up the relevant codes
  x86/mm: remove pgd_leaf definition in arch
  x86/mm: remove p4d_leaf definition
  mm/pgtable: remove unneeded pgd_devmap()

 arch/arm64/include/asm/pgtable.h             |  5 --
 arch/loongarch/include/asm/pgtable.h         |  1 -
 arch/powerpc/include/asm/book3s/64/pgtable.h |  5 --
 arch/riscv/include/asm/pgtable-64.h          |  5 --
 arch/x86/include/asm/pgtable.h               | 15 ----
 arch/x86/mm/pti.c                            |  4 +-
 include/linux/pgtable.h                      |  4 -
 mm/gup.c                                     | 79 ++++----------------
 8 files changed, 15 insertions(+), 103 deletions(-)

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2.41.0