diff options
| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2023-07-24 21:31:49 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 20:12:48 +0300 |
| commit | da0892547b101df6e13255b378380d077975368d (patch) | |
| tree | 13311d48b26c96682ad2986083ac9af18bf4f354 /lib/maple_tree.c | |
| parent | 53bee98d004fcd7062f2fe056720704e947e6000 (diff) | |
| download | linux-da0892547b101df6e13255b378380d077975368d.tar.xz | |
maple_tree: re-introduce entry to mas_preallocate() arguments
The current preallocation strategy is to preallocate the absolute
worst-case allocation for a tree modification. The entry (or NULL) is
needed to know how many nodes are needed to write to the tree. Start by
adding the argument to the mas_preallocate() definition.
Link: https://lkml.kernel.org/r/20230724183157.3939892-8-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/maple_tree.c')
| -rw-r--r-- | lib/maple_tree.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 3b6f8c8dac65..0d7e30c7d999 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -5529,11 +5529,12 @@ EXPORT_SYMBOL_GPL(mas_store_prealloc); /** * mas_preallocate() - Preallocate enough nodes for a store operation * @mas: The maple state + * @entry: The entry that will be stored * @gfp: The GFP_FLAGS to use for allocations. * * Return: 0 on success, -ENOMEM if memory could not be allocated. */ -int mas_preallocate(struct ma_state *mas, gfp_t gfp) +int mas_preallocate(struct ma_state *mas, void *entry, gfp_t gfp) { int ret; |