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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-20 14:39:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-20 14:39:37 -0700
commitc4d6fe7311762f2e03b3c27ad38df7c40c80cc93 (patch)
tree42be07bf29464ea4ee5d01a5d935134bd8e7bb23 /mm
parent59f0e7eb2f9ffa7715ca95908797b52ba35af11a (diff)
parent84c34df158cf215b0cd1475ab3b8e6f212f81f23 (diff)
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
Pull XArray updates from Matthew Wilcox: - Fix the test suite after introduction of the local_lock - Fix a bug in the IDA spotted by Coverity - Change the API that allows the workingset code to delete a node - Fix xas_reload() when dealing with entries that occupy multiple indices - Add a few more tests to the test suite - Fix an unsigned int being shifted into an unsigned long * tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray: XArray: Fix xas_create_range for ranges above 4 billion radix-tree: fix the comment of radix_tree_next_slot() XArray: Fix xas_reload for multi-index entries XArray: Add private interface for workingset node deletion XArray: Fix xas_for_each_conflict documentation XArray: Test marked multiorder iterations XArray: Test two more things about xa_cmpxchg ida: Free allocated bitmap in error path radix tree test suite: Fix compilation
Diffstat (limited to 'mm')
-rw-r--r--mm/workingset.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/mm/workingset.c b/mm/workingset.c
index 8ed8e6296d8c..975a4d2dd02e 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -519,12 +519,11 @@ static enum lru_status shadow_lru_isolate(struct list_head *item,
void *arg) __must_hold(lru_lock)
{
struct xa_node *node = container_of(item, struct xa_node, private_list);
- XA_STATE(xas, node->array, 0);
struct address_space *mapping;
int ret;
/*
- * Page cache insertions and deletions synchroneously maintain
+ * Page cache insertions and deletions synchronously maintain
* the shadow node LRU under the i_pages lock and the
* lru_lock. Because the page cache tree is emptied before
* the inode can be destroyed, holding the lru_lock pins any
@@ -559,15 +558,7 @@ static enum lru_status shadow_lru_isolate(struct list_head *item,
if (WARN_ON_ONCE(node->count != node->nr_values))
goto out_invalid;
mapping->nrexceptional -= node->nr_values;
- xas.xa_node = xa_parent_locked(&mapping->i_pages, node);
- xas.xa_offset = node->offset;
- xas.xa_shift = node->shift + XA_CHUNK_SHIFT;
- xas_set_update(&xas, workingset_update_node);
- /*
- * We could store a shadow entry here which was the minimum of the
- * shadow entries we were tracking ...
- */
- xas_store(&xas, NULL);
+ xa_delete_node(node, workingset_update_node);
__inc_lruvec_slab_state(node, WORKINGSET_NODERECLAIM);
out_invalid: