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commit4a3b99bc04upstream. When mapping doorbell page from user-mode, the driver should use the system page size as this memory is allocated via mmap() from user-mode. Cc: stable@vger.kernel.org Fixes:0266a17763("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li <longli@microsoft.com> Link: https://patch.msgid.link/1725030993-16213-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>