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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 17:03:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 17:03:12 -0700
commit9030fb0bb9d607908d51f9ee02efdbe01da355ee (patch)
tree9ee1d9d47fbb4b30c7f5cbc291432e666e58967a /mm/debug.c
parent3bf03b9a0839c9fb06927ae53ebd0f960b19d408 (diff)
parent2a3c4bce3edb0d54983384aa8a88c0da330638f4 (diff)
Merge tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache
Pull folio updates from Matthew Wilcox: - Rewrite how munlock works to massively reduce the contention on i_mmap_rwsem (Hugh Dickins): https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/ - Sort out the page refcount mess for ZONE_DEVICE pages (Christoph Hellwig): https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/ - Convert GUP to use folios and make pincount available for order-1 pages. (Matthew Wilcox) - Convert a few more truncation functions to use folios (Matthew Wilcox) - Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew Wilcox) - Convert rmap_walk to use folios (Matthew Wilcox) - Convert most of shrink_page_list() to use a folio (Matthew Wilcox) - Add support for creating large folios in readahead (Matthew Wilcox) * tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache: (114 commits) mm/damon: minor cleanup for damon_pa_young selftests/vm/transhuge-stress: Support file-backed PMD folios mm/filemap: Support VM_HUGEPAGE for file mappings mm/readahead: Switch to page_cache_ra_order mm/readahead: Align file mappings for non-DAX mm/readahead: Add large folio readahead mm: Support arbitrary THP sizes mm: Make large folios depend on THP mm: Fix READ_ONLY_THP warning mm/filemap: Allow large folios to be added to the page cache mm: Turn can_split_huge_page() into can_split_folio() mm/vmscan: Convert pageout() to take a folio mm/vmscan: Turn page_check_references() into folio_check_references() mm/vmscan: Account large folios correctly mm/vmscan: Optimise shrink_page_list for non-PMD-sized folios mm/vmscan: Free non-shmem folios without splitting them mm/rmap: Constify the rmap_walk_control argument mm/rmap: Convert rmap_walk() to take a folio mm: Turn page_anon_vma() into folio_anon_vma() mm/rmap: Turn page_lock_anon_vma_read() into folio_lock_anon_vma_read() ...
Diffstat (limited to 'mm/debug.c')
-rw-r--r--mm/debug.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/mm/debug.c b/mm/debug.c
index bc9ac87f0e08..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);
@@ -92,16 +94,10 @@ static void __dump_page(struct page *page)
page, page_ref_count(head), mapcount, mapping,
page_to_pgoff(page), page_to_pfn(page));
if (compound) {
- if (hpage_pincount_available(page)) {
- pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n",
- head, compound_order(head),
- head_compound_mapcount(head),
- head_compound_pincount(head));
- } else {
- pr_warn("head:%p order:%u compound_mapcount:%d\n",
- head, compound_order(head),
- head_compound_mapcount(head));
- }
+ pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n",
+ head, compound_order(head),
+ folio_entire_mapcount(folio),
+ head_compound_pincount(head));
}
#ifdef CONFIG_MEMCG