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| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2024-04-12 15:14:25 +0200 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2024-04-12 15:14:25 +0200 |
| commit | 79790b6818e96c58fe2bffee1b418c16e64e7b80 (patch) | |
| tree | 1b1f34807410ae05c17658c768f45f951e9420bc /include/linux/swapops.h | |
| parent | 12f4b58a37f48a049893f1ae04b3fbb9b5088e8c (diff) | |
| parent | 6e1f415e7129f7cd4c2394af83b35cdcdd40baf7 (diff) | |
Merge drm/drm-next into drm-xe-next
Backmerging drm-next in order to get up-to-date and in particular
to access commit 9ca5facd0400f610f3f7f71aeb7fc0b949a48c67.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'include/linux/swapops.h')
| -rw-r--r-- | include/linux/swapops.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h index bff1e8d97de0..48b700ba1d18 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -468,6 +468,19 @@ static inline struct page *pfn_swap_entry_to_page(swp_entry_t entry) return p; } +static inline struct folio *pfn_swap_entry_folio(swp_entry_t entry) +{ + struct folio *folio = pfn_folio(swp_offset_pfn(entry)); + + /* + * Any use of migration entries may only occur while the + * corresponding folio is locked + */ + BUG_ON(is_migration_entry(entry) && !folio_test_locked(folio)); + + return folio; +} + /* * A pfn swap entry is a special type of swap entry that always has a pfn stored * in the swap offset. They are used to represent unaddressable device memory |