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maple_tree: Add single node allocation support to maple state
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Fri, 6 Dec 2024 20:08:19 +0000 (15:08 -0500)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Tue, 4 Mar 2025 16:35:44 +0000 (11:35 -0500)
commit0aba50523f60192d93226404ae72df97fd0500ae
tree6240ddde4941aa30645812d851fd3a0f841828e4tree
parenta02e75f15c71623aca078e21983a2c44f16d0adfcommit | diff
maple_tree: Add single node allocation support to maple state

The fast path through a write will require replacing a single node in
the tree.  Using a sheaf (32 nodes) is too heavy for the fast path, so
special case the node store operation by just allocating one node in the
maple state.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
include/linux/maple_tree.h diff | blob | history
lib/maple_tree.c diff | blob | history
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