diff options
author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-01-18 10:50:48 -0500 |
---|---|---|
committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 12:59:02 -0400 |
commit | 74e8ee4708a8edabbbc7ab8c12ec24d7a561bb41 (patch) | |
tree | df1e6dd0033ffc9450c680800458c8ed06f01d8f /mm/debug.c | |
parent | e20c41b1091a24dff7ad4cfd99cd5a4f527fe3c4 (diff) |
mm: Turn head_compound_mapcount() into folio_entire_mapcount()
Adjust documentation to be more clear.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'mm/debug.c')
-rw-r--r-- | mm/debug.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/debug.c b/mm/debug.c index c4cf44266430..eeb7ea3ca292 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -48,7 +48,8 @@ const struct trace_print_flags vmaflag_names[] = { static void __dump_page(struct page *page) { - struct page *head = compound_head(page); + struct folio *folio = page_folio(page); + struct page *head = &folio->page; struct address_space *mapping; bool compound = PageCompound(page); /* @@ -76,6 +77,7 @@ static void __dump_page(struct page *page) else mapping = (void *)(tmp & ~PAGE_MAPPING_FLAGS); head = page; + folio = (struct folio *)page; compound = false; } else { mapping = page_mapping(page); @@ -94,7 +96,7 @@ static void __dump_page(struct page *page) if (compound) { pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n", head, compound_order(head), - head_compound_mapcount(head), + folio_entire_mapcount(folio), head_compound_pincount(head)); } |