[Xen-changelog] [xen master] mm: don't hold heap lock in alloc_heap_pages() longer than necessary

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commit dab6a84aadab11f31332030a1e9f0b9282d76156
Author:     Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
AuthorDate: Wed Aug 30 11:05:02 2017 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Aug 30 11:05:02 2017 +0200

    mm: don't hold heap lock in alloc_heap_pages() longer than necessary
    
    Once pages are removed from the heap we don't need to hold the heap
    lock. It is especially useful to drop it for an unscrubbed buddy since
    we will be scrubbing it.
    
    Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
--
generated by git-patchbot for /home/xen/git/xen.git#master

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