The quilt patch titled
Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix-fix
has been removed from the -mm tree. Its filename was
mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix-fix.patch
This patch was dropped because it was withdrawn
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix-fix
Date: Fri Jul 5 03:12:47 PM PDT 2024
propagate try_grab_folio() retval, including the weird -EREMOTEIO
Cc: SeongJae Park <sj@xxxxxxxxxx>
Cc: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/gup.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/mm/gup.c~mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix-fix
+++ a/mm/gup.c
@@ -3851,6 +3851,8 @@ long memfd_pin_folios(struct file *memfd
next_idx = 0;
for (i = 0; i < nr_found; i++) {
+ int ret2;
+
/*
* As there can be multiple entries for a
* given folio in the batch returned by
@@ -3863,10 +3865,10 @@ long memfd_pin_folios(struct file *memfd
continue;
folio = page_folio(&fbatch.folios[i]->page);
-
- if (try_grab_folio(folio, 1, FOLL_PIN)) {
+ ret2 = try_grab_folio(folio, 1, FOLL_PIN);
+ if (ret2) {
folio_batch_release(&fbatch);
- ret = -EINVAL;
+ ret = ret2;
goto err;
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-hugetlbc-undo-errant-change.patch
mm-gup-introduce-memfd_pin_folios-for-pinning-memfd-folios-fix.patch
mm-migrate-putback-split-folios-when-numa-hint-migration-fails-fix.patch
