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charset="UTF-8" X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: AF53B1C0004 X-Stat-Signature: p1rpu8ytuskspc4br9t71pjebokg9pjz X-Rspam-User: X-HE-Tag: 1790718819-852855 X-HE-Meta: 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 qgX65qWn 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: As part of the memdescs effort, struct folio will be allocated separately from struct page and will no longer overlay the head page. Replace direct &folio->page, &old->page, &new->page, and &newfolio->page uses with folio_page(..., 0) in __folio_set_owner_migrate_reason(), __folio_copy_owner(), pgalloc_tag_split(), and pgalloc_tag_swap(). No functional change intended. Assisted-by: LLM Signed-off-by: Nilay Vaish --- mm/alloc_tag.c | 10 +++++----- mm/page_owner.c | 15 +++++++++------ 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/mm/alloc_tag.c b/mm/alloc_tag.c index 82e2c3448dcf..c93efb224ce1 100644 --- a/mm/alloc_tag.c +++ b/mm/alloc_tag.c @@ -534,7 +534,7 @@ void pgalloc_tag_split(struct folio *folio, int old_order, int new_order) if (!mem_alloc_profiling_enabled()) return; - tag = __pgalloc_tag_get(&folio->page); + tag = __pgalloc_tag_get(folio_page(folio, 0)); if (!tag) return; @@ -560,16 +560,16 @@ void pgalloc_tag_swap(struct folio *new, struct folio *old) if (!mem_alloc_profiling_enabled()) return; - tag_old = __pgalloc_tag_get(&old->page); + tag_old = __pgalloc_tag_get(folio_page(old, 0)); if (!tag_old) return; - tag_new = __pgalloc_tag_get(&new->page); + tag_new = __pgalloc_tag_get(folio_page(new, 0)); if (!tag_new) return; - if (!get_page_tag_ref(&old->page, &ref_old, &handle_old)) + if (!get_page_tag_ref(folio_page(old, 0), &ref_old, &handle_old)) return; - if (!get_page_tag_ref(&new->page, &ref_new, &handle_new)) { + if (!get_page_tag_ref(folio_page(new, 0), &ref_new, &handle_new)) { put_page_tag_ref(handle_old); return; } diff --git a/mm/page_owner.c b/mm/page_owner.c index cfc31c92d765..39c381699a63 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -365,7 +365,7 @@ noinline void __set_page_owner(struct page *page, unsigned short order, void __folio_set_owner_migrate_reason(struct folio *folio, enum migrate_reason reason) { - struct page_ext *page_ext = page_ext_get(&folio->page); + struct page_ext *page_ext = page_ext_get(folio_page(folio, 0)); struct page_owner *page_owner; if (unlikely(!page_ext)) @@ -398,14 +398,14 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old) struct page_owner *new_page_owner; depot_stack_handle_t migrate_handle; - page_ext = page_ext_get(&old->page); + page_ext = page_ext_get(folio_page(old, 0)); if (unlikely(!page_ext)) return; old_page_owner = get_page_owner(page_ext); page_ext_put(page_ext); - page_ext = page_ext_get(&newfolio->page); + page_ext = page_ext_get(folio_page(newfolio, 0)); if (unlikely(!page_ext)) return; @@ -413,7 +413,8 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old) page_ext_put(page_ext); migrate_handle = new_page_owner->handle; - __update_page_owner_handle(&newfolio->page, old_page_owner->handle, + __update_page_owner_handle(folio_page(newfolio, 0), + old_page_owner->handle, old_page_owner->order, old_page_owner->gfp_mask, old_page_owner->last_migrate_reason, old_page_owner->ts_nsec, old_page_owner->pid, @@ -423,7 +424,8 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old) * will be freed after migration. Keep them until then as they may be * useful. */ - __update_page_owner_free_handle(&newfolio->page, 0, old_page_owner->order, + __update_page_owner_free_handle(folio_page(newfolio, 0), 0, + old_page_owner->order, old_page_owner->free_pid, old_page_owner->free_tgid, old_page_owner->free_ts_nsec); @@ -433,7 +435,8 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old) * when subtracting those pages from the stack. */ rcu_read_lock(); - for_each_page_ext(&old->page, 1 << new_page_owner->order, page_ext, iter) { + for_each_page_ext(folio_page(old, 0), 1 << new_page_owner->order, + page_ext, iter) { old_page_owner = get_page_owner(page_ext); old_page_owner->handle = migrate_handle; } -- 2.56.0.rc1.315.gc6ed9934b7-goog