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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-20 17:20:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-20 17:20:22 -0700
commit8ba90f5cc71701aa262f222effead02206b04227 (patch)
tree2ba9775c6325b18ead490a9c3987e30680424fb7 /include
parente660abd551f1172e428b4e4003de887176a8a1fd (diff)
parent0518dbe97fe629fea255318841cf3ef1b4532d66 (diff)
Merge tag 'mm-hotfixes-stable-2023-06-20-12-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton: "19 hotfixes. 8 of these are cc:stable. This includes a wholesale reversion of the post-6.4 series 'make slab shrink lockless'. After input from Dave Chinner it has been decided that we should go a different way [1]" Link: https://lkml.kernel.org/r/ZH6K0McWBeCjaf16@dread.disaster.area [1] * tag 'mm-hotfixes-stable-2023-06-20-12-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: selftests/mm: fix cross compilation with LLVM mailmap: add entries for Ben Dooks nilfs2: prevent general protection fault in nilfs_clear_dirty_page() Revert "mm: vmscan: make global slab shrink lockless" Revert "mm: vmscan: make memcg slab shrink lockless" Revert "mm: vmscan: add shrinker_srcu_generation" Revert "mm: shrinkers: make count and scan in shrinker debugfs lockless" Revert "mm: vmscan: hold write lock to reparent shrinker nr_deferred" Revert "mm: vmscan: remove shrinker_rwsem from synchronize_shrinkers()" Revert "mm: shrinkers: convert shrinker_rwsem to mutex" nilfs2: fix buffer corruption due to concurrent device reads scripts/gdb: fix SB_* constants parsing scripts: fix the gfp flags header path in gfp-translate udmabuf: revert 'Add support for mapping hugepages (v4)' mm/khugepaged: fix iteration in collapse_file memfd: check for non-NULL file_seals in memfd_create() syscall mm/vmalloc: do not output a spurious warning when huge vmalloc() fails mm/mprotect: fix do_mprotect_pkey() limit check writeback: fix dereferencing NULL mapping->host on writeback_page_template
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/writeback.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 86b2a82da546..54e353c9f919 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(writeback_folio_template,
strscpy_pad(__entry->name,
bdi_dev_name(mapping ? inode_to_bdi(mapping->host) :
NULL), 32);
- __entry->ino = mapping ? mapping->host->i_ino : 0;
+ __entry->ino = (mapping && mapping->host) ? mapping->host->i_ino : 0;
__entry->index = folio->index;
),