Messages in this thread | | | Date | Mon, 18 Dec 2023 11:59:58 +0100 | From | Greg KH <> | Subject | Re: [PATCH 6.6.y] maple_tree: do not preallocate nodes for slot stores |
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On Tue, Dec 12, 2023 at 11:52:55AM -0800, Sidhartha Kumar wrote: > mas_preallocate() defaults to requesting 1 node for preallocation and then > ,depending on the type of store, will update the request variable. There > isn't a check for a slot store type, so slot stores are preallocating the > default 1 node. Slot stores do not require any additional nodes, so add a > check for the slot store case that will bypass node_count_gfp(). Update > the tests to reflect that slot stores do not require allocations. > > User visible effects of this bug include increased memory usage from the > unneeded node that was allocated. > > Fixes: 0b8bb544b1a7 ("maple_tree: update mas_preallocate() testing") > Cc: <stable@vger.kernel.org> # 6.6+ > Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> > --- > This is a modified backport as the patch to fix this in upstream does not > apply to 6.6 because the node_end field was moved from the ma_wr_state to > the ma_state after 6.6.
What is the git commit id of this change in Linus's tree?
thanks,
greg k-h
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