diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-05-11 09:06:26 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-05-11 09:06:55 -0700 |
| commit | bc88ba0cad64a4aa85f9deca79c6f3addcd21795 (patch) | |
| tree | 66db8412b3f65bf19645611afee4b1dbe14b74a8 /mm/vmscan.c | |
| parent | 285b2a46953cecea207c53f7c6a7a76c9bbab303 (diff) | |
| parent | 6e27831b91a0bc572902eb065b374991c1ef452a (diff) | |
| download | linux-bc88ba0cad64a4aa85f9deca79c6f3addcd21795.tar.gz linux-bc88ba0cad64a4aa85f9deca79c6f3addcd21795.tar.bz2 linux-bc88ba0cad64a4aa85f9deca79c6f3addcd21795.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes. No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 5bde07409303..d257916f39e5 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1967,6 +1967,16 @@ retry: } } + /* + * Folio is unmapped now so it cannot be newly pinned anymore. + * No point in trying to reclaim folio if it is pinned. + * Furthermore we don't want to reclaim underlying fs metadata + * if the folio is pinned and thus potentially modified by the + * pinning process as that may upset the filesystem. + */ + if (folio_maybe_dma_pinned(folio)) + goto activate_locked; + mapping = folio_mapping(folio); if (folio_test_dirty(folio)) { /* |