diff options
| author | Petr Mladek <[email protected]> | 2021-11-02 09:39:27 +0000 |
|---|---|---|
| committer | Petr Mladek <[email protected]> | 2021-11-02 09:39:27 +0000 |
| commit | 40e64a88dadcfa168914065baf7f035de957bbe0 (patch) | |
| tree | 06c8c4a9e6c1b478aa6851794c6a33bec1ce6ec4 /mm/rmap.c | |
| parent | lib/vsprintf.c: Amend static asserts for format specifier flags (diff) | |
| parent | vsprintf: Update %pGp documentation about that it prints hex value (diff) | |
| download | kernel-40e64a88dadcfa168914065baf7f035de957bbe0.tar.gz kernel-40e64a88dadcfa168914065baf7f035de957bbe0.zip | |
Merge branch 'for-5.16-vsprintf-pgp' into for-linus
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 2d29a57d29e8..6aebd1747251 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1231,11 +1231,13 @@ void page_add_file_rmap(struct page *page, bool compound) nr_pages); } else { if (PageTransCompound(page) && page_mapping(page)) { + struct page *head = compound_head(page); + VM_WARN_ON_ONCE(!PageLocked(page)); - SetPageDoubleMap(compound_head(page)); + SetPageDoubleMap(head); if (PageMlocked(page)) - clear_page_mlock(compound_head(page)); + clear_page_mlock(head); } if (!atomic_inc_and_test(&page->_mapcount)) goto out; |