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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2026-05-26 20:56:48 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-06-04 14:45:07 -0700 |
| commit | 088a2353d714591d2eadb9870767910b9c67b32d (patch) | |
| tree | 023bba4709aa6180cc3751fa9f6b4b0baa0a03ee | |
| parent | 3bf1c285dc406067eae5b3a7072afad81ad4a4fc (diff) | |
| download | linux-next-088a2353d714591d2eadb9870767910b9c67b32d.tar.gz linux-next-088a2353d714591d2eadb9870767910b9c67b32d.zip | |
mm: remove mentions of PageWriteback
Update two comments to refer to writeback in general instead of the
specific flag. Convert the large comment in memory.c to be entirely
folio-based.
Link: https://lore.kernel.org/20260526195650.353196-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/compaction.c | 2 | ||||
| -rw-r--r-- | mm/memory.c | 20 | ||||
| -rw-r--r-- | mm/migrate.c | 2 |
3 files changed, 12 insertions, 12 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 168e63940b78..8f664fb09f24 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1123,7 +1123,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, * To minimise LRU disruption, the caller can indicate with * ISOLATE_ASYNC_MIGRATE that it only wants to isolate pages * it will be able to migrate without blocking - clean pages - * for the most part. PageWriteback would require blocking. + * for the most part. Writeback would require blocking. */ if ((mode & ISOLATE_ASYNC_MIGRATE) && folio_test_writeback(folio)) goto isolate_fail_put; diff --git a/mm/memory.c b/mm/memory.c index 7c020995eafc..5a365492a9a2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5398,18 +5398,18 @@ static vm_fault_t __do_fault(struct vm_fault *vmf) vm_fault_t ret; /* - * Preallocate pte before we take page_lock because this might lead to - * deadlocks for memcg reclaim which waits for pages under writeback: - * lock_page(A) - * SetPageWriteback(A) - * unlock_page(A) - * lock_page(B) - * lock_page(B) + * Preallocate pte before we take folio lock because this might lead to + * deadlocks for memcg reclaim which waits for folios under writeback: + * folio_lock(A) + * folio_set_writeback(A) + * folio_unlock(A) + * folio_lock(B) + * folio_lock(B) * pte_alloc_one * shrink_folio_list - * wait_on_page_writeback(A) - * SetPageWriteback(B) - * unlock_page(B) + * folio_wait_writeback(A) + * folio_set_writeback(B) + * folio_unlock(B) * # flush A, B to clear the writeback */ if (pmd_none(*vmf->pmd) && !vmf->prealloc_pte) { diff --git a/mm/migrate.c b/mm/migrate.c index 0c6a0ab6ecce..d8090cdda4f9 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1256,7 +1256,7 @@ static int migrate_folio_unmap(new_folio_t get_new_folio, if (folio_test_writeback(src)) { /* * Only in the case of a full synchronous migration is it - * necessary to wait for PageWriteback. In the async case, + * necessary to wait for writeback. In the async case, * the retry loop is too short and in the sync-light case, * the overhead of stalling is too much */ |