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| author |   Suren Baghdasaryan <surenb@google.com> | 2023-06-30 14:19:55 -0700 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:17 -0700 |
| commit | fdc724d6aa44efd75cc9b6a3c3900baac44bc50a (patch) | |
| tree | 9397bcbed47a2dcd3622f96a5f812fe76f3b4ad4 /include/linux/pagemap.h | |
| parent | mm: drop per-VMA lock when returning VM_FAULT_RETRY or VM_FAULT_COMPLETED (diff) | |
| download | wireguard-linux-fdc724d6aa44efd75cc9b6a3c3900baac44bc50a.tar.xz wireguard-linux-fdc724d6aa44efd75cc9b6a3c3900baac44bc50a.zip | |
mm: change folio_lock_or_retry to use vm_fault directly
Change folio_lock_or_retry to accept vm_fault struct and return the
vm_fault_t directly.
Link: https://lkml.kernel.org/r/20230630211957.1341547-5-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Peter Xu <peterx@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hillf Danton <hdanton@sina.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Michel Lespinasse <michel@lespinasse.org>
Cc: Minchan Kim <minchan@google.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Punit Agrawal <punit.agrawal@bytedance.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index f4f24b594cd7..437e4526028c 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -916,8 +916,7 @@ static inline bool wake_page_match(struct wait_page_queue *wait_page, void __folio_lock(struct folio *folio); int __folio_lock_killable(struct folio *folio); -bool __folio_lock_or_retry(struct folio *folio, struct mm_struct *mm, - unsigned int flags); +vm_fault_t __folio_lock_or_retry(struct folio *folio, struct vm_fault *vmf); void unlock_page(struct page *page); void folio_unlock(struct folio *folio); @@ -1021,11 +1020,13 @@ static inline int folio_lock_killable(struct folio *folio) * Return value and mmap_lock implications depend on flags; see * __folio_lock_or_retry(). */ -static inline bool folio_lock_or_retry(struct folio *folio, - struct mm_struct *mm, unsigned int flags) +static inline vm_fault_t folio_lock_or_retry(struct folio *folio, + struct vm_fault *vmf) { might_sleep(); - return folio_trylock(folio) || __folio_lock_or_retry(folio, mm, flags); + if (!folio_trylock(folio)) + return __folio_lock_or_retry(folio, vmf); + return 0; } /* |