diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-01-11 16:24:22 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-02-22 01:00:03 +0100 |
| commit | f2d571b0b207087442d1c3fca5189ee1cb34648e (patch) | |
| tree | ea86469da7bbaad407f8afc15a7cd6c44a151281 | |
| parent | proc: use pfn_swap_entry_folio where obvious (diff) | |
| download | linux-f2d571b0b207087442d1c3fca5189ee1cb34648e.tar.xz linux-f2d571b0b207087442d1c3fca5189ee1cb34648e.zip | |
mprotect: use pfn_swap_entry_folio
We only want to know whether the folio is anonymous, so use
pfn_swap_entry_folio() and save a call to compound_head().
Link: https://lkml.kernel.org/r/20240111152429.3374566-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/mprotect.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 81991102f785..f8a4544b4601 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -198,13 +198,13 @@ static long change_pte_range(struct mmu_gather *tlb, pte_t newpte; if (is_writable_migration_entry(entry)) { - struct page *page = pfn_swap_entry_to_page(entry); + struct folio *folio = pfn_swap_entry_folio(entry); /* * A protection check is difficult so * just be safe and disable write */ - if (PageAnon(page)) + if (folio_test_anon(folio)) entry = make_readable_exclusive_migration_entry( swp_offset(entry)); else |