Merge tag 'mm-stable-2025-06-01-14-06' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:

 - "zram: support algorithm-specific parameters" from Sergey Senozhatsky
   adds infrastructure for passing algorithm-specific parameters into
   zram. A single parameter `winbits' is implemented at this time.

 - "memcg: nmi-safe kmem charging" from Shakeel Butt makes memcg
   charging nmi-safe, which is required by BFP, which can operate in NMI
   context.

 - "Some random fixes and cleanup to shmem" from Kemeng Shi implements
   small fixes and cleanups in the shmem code.

 - "Skip mm selftests instead when kernel features are not present" from
   Zi Yan fixes some issues in the MM selftest code.

 - "mm/damon: build-enable essential DAMON components by default" from
   SeongJae Park reworks DAMON Kconfig to make it easier to enable
   CONFIG_DAMON.

 - "sched/numa: add statistics of numa balance task migration" from Libo
   Chen adds more info into sysfs and procfs files to improve visibility
   into the NUMA balancer's task migration activity.

 - "selftests/mm: cow and gup_longterm cleanups" from Mark Brown
   provides various updates to some of the MM selftests to make them
   play better with the overall containing framework.

* tag 'mm-stable-2025-06-01-14-06' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (43 commits)
  mm/khugepaged: clean up refcount check using folio_expected_ref_count()
  selftests/mm: fix test result reporting in gup_longterm
  selftests/mm: report unique test names for each cow test
  selftests/mm: add helper for logging test start and results
  selftests/mm: use standard ksft_finished() in cow and gup_longterm
  selftests/damon/_damon_sysfs: skip testcases if CONFIG_DAMON_SYSFS is disabled
  sched/numa: add statistics of numa balance task
  sched/numa: fix task swap by skipping kernel threads
  tools/testing: check correct variable in open_procmap()
  tools/testing/vma: add missing function stub
  mm/gup: update comment explaining why gup_fast() disables IRQs
  selftests/mm: two fixes for the pfnmap test
  mm/khugepaged: fix race with folio split/free using temporary reference
  mm: add CONFIG_PAGE_BLOCK_ORDER to select page block order
  mmu_notifiers: remove leftover stub macros
  selftests/mm: deduplicate test names in madv_populate
  kcov: rust: add flags for KCOV with Rust
  mm: rust: make CONFIG_MMU ifdefs more narrow
  mmu_gather: move tlb flush for VM_PFNMAP/VM_MIXEDMAP vmas into free_pgtables()
  mm/damon/Kconfig: enable CONFIG_DAMON by default
  ...

1 files changed, 13 insertions, 18 deletions

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 34ed242e1063..1e99a35691cd 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -913,7 +913,8 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 	struct ntfs_inode *ni = ntfs_i(inode);
 	u64 valid = ni->i_valid;
 	struct ntfs_sb_info *sbi = ni->mi.sbi;
-	struct page *page, **pages = NULL;
+	struct page **pages = NULL;
+	struct folio *folio;
 	size_t written = 0;
 	u8 frame_bits = NTFS_LZNT_CUNIT + sbi->cluster_bits;
 	u32 frame_size = 1u << frame_bits;
@@ -923,7 +924,6 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 	u64 frame_vbo;
 	pgoff_t index;
 	bool frame_uptodate;
-	struct folio *folio;
 
 	if (frame_size < PAGE_SIZE) {
 		/*
@@ -977,8 +977,7 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 					    pages_per_frame);
 			if (err) {
 				for (ip = 0; ip < pages_per_frame; ip++) {
-					page = pages[ip];
-					folio = page_folio(page);
+					folio = page_folio(pages[ip]);
 					folio_unlock(folio);
 					folio_put(folio);
 				}
@@ -989,10 +988,9 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 		ip = off >> PAGE_SHIFT;
 		off = offset_in_page(valid);
 		for (; ip < pages_per_frame; ip++, off = 0) {
-			page = pages[ip];
-			folio = page_folio(page);
-			zero_user_segment(page, off, PAGE_SIZE);
-			flush_dcache_page(page);
+			folio = page_folio(pages[ip]);
+			folio_zero_segment(folio, off, PAGE_SIZE);
+			flush_dcache_folio(folio);
 			folio_mark_uptodate(folio);
 		}
 
@@ -1001,8 +999,7 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 		ni_unlock(ni);
 
 		for (ip = 0; ip < pages_per_frame; ip++) {
-			page = pages[ip];
-			folio = page_folio(page);
+			folio = page_folio(pages[ip]);
 			folio_mark_uptodate(folio);
 			folio_unlock(folio);
 			folio_put(folio);
@@ -1046,8 +1043,7 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 				if (err) {
 					for (ip = 0; ip < pages_per_frame;
 					     ip++) {
-						page = pages[ip];
-						folio = page_folio(page);
+						folio = page_folio(pages[ip]);
 						folio_unlock(folio);
 						folio_put(folio);
 					}
@@ -1065,10 +1061,10 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 		for (;;) {
 			size_t cp, tail = PAGE_SIZE - off;
 
-			page = pages[ip];
-			cp = copy_page_from_iter_atomic(page, off,
+			folio = page_folio(pages[ip]);
+			cp = copy_folio_from_iter_atomic(folio, off,
 							min(tail, bytes), from);
-			flush_dcache_page(page);
+			flush_dcache_folio(folio);
 
 			copied += cp;
 			bytes -= cp;
@@ -1088,9 +1084,8 @@ static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from)
 		ni_unlock(ni);
 
 		for (ip = 0; ip < pages_per_frame; ip++) {
-			page = pages[ip];
-			ClearPageDirty(page);
-			folio = page_folio(page);
+			folio = page_folio(pages[ip]);
+			folio_clear_dirty(folio);
 			folio_mark_uptodate(folio);
 			folio_unlock(folio);
 			folio_put(folio);