From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-mm@kvack.org, Hugh Dickins <hughd@google.com>
Subject: [PATCH 26/28] mm/huge_memory: Convert get_deferred_split_queue() to take a folio
Date: Wed, 11 Jan 2023 14:29:12 +0000 [thread overview]
Message-ID: <20230111142915.1001531-27-willy@infradead.org> (raw)
In-Reply-To: <20230111142915.1001531-1-willy@infradead.org>
Removes a few calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
mm/huge_memory.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7aedfe7cf5df..c23b0e01734b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -559,10 +559,11 @@ pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
}
#ifdef CONFIG_MEMCG
-static inline struct deferred_split *get_deferred_split_queue(struct page *page)
+static inline
+struct deferred_split *get_deferred_split_queue(struct folio *folio)
{
- struct mem_cgroup *memcg = page_memcg(compound_head(page));
- struct pglist_data *pgdat = NODE_DATA(page_to_nid(page));
+ struct mem_cgroup *memcg = folio_memcg(folio);
+ struct pglist_data *pgdat = NODE_DATA(folio_nid(folio));
if (memcg)
return &memcg->deferred_split_queue;
@@ -570,9 +571,10 @@ static inline struct deferred_split *get_deferred_split_queue(struct page *page)
return &pgdat->deferred_split_queue;
}
#else
-static inline struct deferred_split *get_deferred_split_queue(struct page *page)
+static inline
+struct deferred_split *get_deferred_split_queue(struct folio *folio)
{
- struct pglist_data *pgdat = NODE_DATA(page_to_nid(page));
+ struct pglist_data *pgdat = NODE_DATA(folio_nid(folio));
return &pgdat->deferred_split_queue;
}
@@ -2650,7 +2652,7 @@ bool can_split_folio(struct folio *folio, int *pextra_pins)
int split_huge_page_to_list(struct page *page, struct list_head *list)
{
struct folio *folio = page_folio(page);
- struct deferred_split *ds_queue = get_deferred_split_queue(&folio->page);
+ struct deferred_split *ds_queue = get_deferred_split_queue(folio);
XA_STATE(xas, &folio->mapping->i_pages, folio->index);
struct anon_vma *anon_vma = NULL;
struct address_space *mapping = NULL;
@@ -2801,7 +2803,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
void free_transhuge_page(struct page *page)
{
struct folio *folio = (struct folio *)page;
- struct deferred_split *ds_queue = get_deferred_split_queue(page);
+ struct deferred_split *ds_queue = get_deferred_split_queue(folio);
unsigned long flags;
spin_lock_irqsave(&ds_queue->split_queue_lock, flags);
@@ -2816,7 +2818,7 @@ void free_transhuge_page(struct page *page)
void deferred_split_huge_page(struct page *page)
{
struct folio *folio = page_folio(page);
- struct deferred_split *ds_queue = get_deferred_split_queue(page);
+ struct deferred_split *ds_queue = get_deferred_split_queue(folio);
#ifdef CONFIG_MEMCG
struct mem_cgroup *memcg = folio_memcg(folio);
#endif
--
2.35.1
next prev parent reply other threads:[~2023-01-11 14:29 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-11 14:28 [PATCH 00/28] Get rid of tail page fields Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 01/28] mm: Remove folio_pincount_ptr() and head_compound_pincount() Matthew Wilcox (Oracle)
2023-01-12 3:05 ` John Hubbard
2023-01-12 12:40 ` Matthew Wilcox
2023-01-11 14:28 ` [PATCH 02/28] mm: Convert head_subpages_mapcount() into folio_nr_pages_mapped() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 03/28] doc: Clarify refcount section by referring to folios & pages Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 04/28] mm: Convert total_compound_mapcount() to folio_total_mapcount() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 05/28] mm: Convert page_remove_rmap() to use a folio internally Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 06/28] mm: Convert page_add_anon_rmap() " Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 07/28] mm: Convert page_add_file_rmap() " Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 08/28] mm: Add folio_add_new_anon_rmap() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 09/28] page_alloc: Use folio fields directly Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 10/28] mm: Use a folio in hugepage_add_anon_rmap() and hugepage_add_new_anon_rmap() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 11/28] mm: Use entire_mapcount in __page_dup_rmap() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 12/28] mm/debug: Remove call to head_compound_mapcount() Matthew Wilcox (Oracle)
2023-01-11 14:28 ` [PATCH 13/28] hugetlb: Remove uses of folio_mapcount_ptr Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 14/28] mm: Convert page_mapcount() to use folio_entire_mapcount() Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 15/28] mm: Remove head_compound_mapcount() and _ptr functions Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 16/28] mm: Reimplement compound_order() Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 17/28] mm: Reimplement compound_nr() Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 18/28] mm: Convert set_compound_page_dtor() and set_compound_order() to folios Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 19/28] mm: Convert is_transparent_hugepage() to use a folio Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 20/28] mm: Convert destroy_large_folio() to use folio_dtor Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 21/28] hugetlb: Remove uses of compound_dtor and compound_nr Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 22/28] mm: Remove 'First tail page' members from struct page Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 23/28] doc: Correct struct folio kernel-doc Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 24/28] mm: Move page->deferred_list to folio->_deferred_list Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 25/28] mm/huge_memory: Remove page_deferred_list() Matthew Wilcox (Oracle)
2023-01-11 14:29 ` Matthew Wilcox (Oracle) [this message]
2023-01-11 14:29 ` [PATCH 27/28] mm: Convert deferred_split_huge_page() to deferred_split_folio() Matthew Wilcox (Oracle)
2023-01-11 14:29 ` [PATCH 28/28] mm: remove the hugetlb field from struct page Matthew Wilcox (Oracle)
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