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214f9ab72c
Update the comments for wp_page_copy(), do_wp_page(), do_swap_page(), do_anonymous_page(), __do_fault(), do_fault(), handle_pte_fault(), __handle_mm_fault(), and handle_mm_fault() to concisely clarify that they can be entered holding either the mmap_lock or the VMA lock, and that the lock may be released upon returning VM_FAULT_RETRY. Additionally, make the following corrections: - In do_anonymous_page(), correct the outdated claim that the function is entered with the PTE "mapped but not yet locked". Since handle_pte_fault() unmaps the empty PTE before routing to do_pte_missing(), the comment now correctly states it is entered with the PTE unmapped and unlocked. - In __do_fault(), update the stale reference from __lock_page_retry() to __folio_lock_or_retry(). Link: https://lore.kernel.org/20260424092217.263648-1-adi.sharma@zohomail.in Signed-off-by: Aditya Sharma <adi.sharma@zohomail.in> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Liam Howlett <liam@infradead.org> Cc: Lorenzo Stoakes <ljs@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
7606 lines
213 KiB
7606 lines
213 KiB