Welcome to mirror list, hosted at ThFree Co, Russian Federation.

github.com/torvalds/linux.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/mm/gup.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-27 05:38:46 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-27 05:38:46 +0300
commit39c3c396f8131f3db454c80e0fcfcdc54ed9ec01 (patch)
tree5e73a645381f47535903fbc6a16442a4a6ef2b85 /mm/gup.c
parent5de64d44968e4ae66ebdb0a2d08b443f189d3651 (diff)
parent1f7ea54727caaa6701a15af0cbeddfdb015b2869 (diff)
Merge tag 'mm-hotfixes-stable-2022-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton: "Thirteen hotfixes. Eight are cc:stable and the remainder are for post-5.18 issues or are too minor to warrant backporting" * tag 'mm-hotfixes-stable-2022-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mailmap: update Gao Xiang's email addresses userfaultfd: provide properly masked address for huge-pages Revert "ocfs2: mount shared volume without ha stack" hugetlb: fix memoryleak in hugetlb_mcopy_atomic_pte fs: sendfile handles O_NONBLOCK of out_fd ntfs: fix use-after-free in ntfs_ucsncmp() secretmem: fix unhandled fault in truncate mm/hugetlb: separate path for hwpoison entry in copy_hugetlb_page_range() mm: fix missing wake-up event for FSDAX pages mm: fix page leak with multiple threads mapping the same page mailmap: update Seth Forshee's email address tmpfs: fix the issue that the mount and remount results are inconsistent. mm: kfence: apply kmemleak_ignore_phys on early allocated pool
Diffstat (limited to 'mm/gup.c')
-rw-r--r--mm/gup.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 551264407624..e2a39e30756d 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -87,7 +87,8 @@ retry:
* belongs to this folio.
*/
if (unlikely(page_folio(page) != folio)) {
- folio_put_refs(folio, refs);
+ if (!put_devmap_managed_page_refs(&folio->page, refs))
+ folio_put_refs(folio, refs);
goto retry;
}
@@ -176,7 +177,8 @@ static void gup_put_folio(struct folio *folio, int refs, unsigned int flags)
refs *= GUP_PIN_COUNTING_BIAS;
}
- folio_put_refs(folio, refs);
+ if (!put_devmap_managed_page_refs(&folio->page, refs))
+ folio_put_refs(folio, refs);
}
/**