+ mm-gup_testc-convert-verify_dma_pinned-to-us-folios.patch added to mm-unstable branch

+ mm-gup_testc-convert-verify_dma_pinned-to-us-folios.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/gup_test.c: convert verify_dma_pinned() to us folios
has been added to the -mm mm-unstable branch.  Its filename is
     mm-gup_testc-convert-verify_dma_pinned-to-us-folios.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-gup_testc-convert-verify_dma_pinned-to-us-folios.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
Subject: mm/gup_test.c: convert verify_dma_pinned() to us folios
Date: Tue, 13 Jun 2023 19:13:10 -0700

verify_dma_pinned() checks that pages are dma-pinned.  We can convert this
to use folios.

Link: https://lkml.kernel.org/r/20230614021312.34085-4-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/gup_test.c |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

--- a/mm/gup_test.c~mm-gup_testc-convert-verify_dma_pinned-to-us-folios
+++ a/mm/gup_test.c
@@ -40,24 +40,25 @@ static void verify_dma_pinned(unsigned i
 			      unsigned long nr_pages)
 {
 	unsigned long i;
-	struct page *page;
+	struct folio *folio;
 
 	switch (cmd) {
 	case PIN_FAST_BENCHMARK:
 	case PIN_BASIC_TEST:
 	case PIN_LONGTERM_BENCHMARK:
 		for (i = 0; i < nr_pages; i++) {
-			page = pages[i];
-			if (WARN(!page_maybe_dma_pinned(page),
+			folio = page_folio(pages[i]);
+
+			if (WARN(!folio_maybe_dma_pinned(folio),
 				 "pages[%lu] is NOT dma-pinned\n", i)) {
 
-				dump_page(page, "gup_test failure");
+				dump_page(&folio->page, "gup_test failure");
 				break;
 			} else if (cmd == PIN_LONGTERM_BENCHMARK &&
-				WARN(!is_longterm_pinnable_page(page),
+				WARN(!folio_is_longterm_pinnable(folio),
 				     "pages[%lu] is NOT pinnable but pinned\n",
 				     i)) {
-				dump_page(page, "gup_test failure");
+				dump_page(&folio->page, "gup_test failure");
 				break;
 			}
 		}
_

Patches currently in -mm which might be from vishal.moola@gmail.com are

afs-fix-dangling-folio-ref-counts-in-writeback.patch
afs-fix-waiting-for-writeback-then-skipping-folio.patch
mmzone-introduce-folio_is_zone_movable.patch
mmzone-introduce-folio_migratetype.patch
mm-gup_testc-convert-verify_dma_pinned-to-us-folios.patch
mm-gupc-reorganize-try_get_folio.patch
mm-remove-is_longterm_pinnable_page-and-reimplement-folio_is_longterm_pinnable.patch