On 12/18/23 2:59 AM, Greg KH wrote:
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@xxxxxxxxxxxxxxx> # 6.6+ Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx> --- 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?
The patch is in akpm's mm-hotfixes-unstable tree and has not made it to Linus's tree yet.
Thanks, Sid
thanks, greg k-h
