[folded-merged] mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch removed from -mm tree

[folded-merged] mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
has been removed from the -mm tree.  Its filename was
     mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch

This patch was dropped because it was folded into mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
Date: Fri Jul  5 02:15:29 PM PDT 2024

improve the CONFIG_MMU=n situation, per SeongJae

Acked-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Cc: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/gup.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/gup.c~mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
+++ a/mm/gup.c
@@ -3859,9 +3859,9 @@ long memfd_pin_folios(struct file *memfd
 				    next_idx != folio_index(fbatch.folios[i]))
 					continue;
 
-				folio = try_grab_folio_fast(&fbatch.folios[i]->page,
-						       1, FOLL_PIN);
-				if (!folio) {
+				folio = page_folio(&fbatch.folios[i]->page);
+
+				if (try_grab_folio(folio, 1, FOLL_PIN)) {
 					folio_batch_release(&fbatch);
 					ret = -EINVAL;
 					goto err;
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-hugetlbc-undo-errant-change.patch
mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios.patch
mm-page_counter-move-calculating-protection-values-to-page_counter-fix.patch
mm-migrate-putback-split-folios-when-numa-hint-migration-fails-fix.patch

[folded-merged] mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
has been removed from the -mm tree.  Its filename was
     mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch

This patch was dropped because it was folded into mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
Date: Thu Jun 27 04:39:10 PM PDT 2024

apply fixups per "mm: gup: do not call try_grab_folio() in slow path".

Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/gup.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/mm/gup.c~mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix
+++ a/mm/gup.c
@@ -3859,14 +3859,15 @@ long memfd_pin_folios(struct file *memfd
 				    next_idx != folio_index(fbatch.folios[i]))
 					continue;
 
-				folio = try_grab_folio(&fbatch.folios[i]->page,
-						       1, FOLL_PIN);
-				if (!folio) {
+				if (try_grab_folio(fbatch.folios[i],
+						       1, FOLL_PIN)) {
 					folio_batch_release(&fbatch);
 					ret = -EINVAL;
 					goto err;
 				}
 
+				folio = fbatch.folios[i];
+
 				if (nr_folios == 0)
 					*offset = offset_in_folio(folio, start);
 
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios.patch
mm-store-zero-pages-to-be-swapped-out-in-a-bitmap-v7-fix.patch
tools-mm-introduce-a-tool-to-assess-swap-entry-allocation-for-thp_swapout-fix.patch