
Adobe's commitment to the Linux community and as part of ongoing efforts to ensure the cross-platform compatibility of Flash Player, an alpha version of 64-bit Adobe Flash Player 10 for Linux operating systems was released on 11/17/2008 and is available for download. This offers easier, native installation on 64-bit Linux distributions and removes the need for 32-bit emulation
Flash Player for Linux that supports 16 theoretical exabytes of physical memory. This technological feat is accomplished using a bleeding edge type of processor known as a 64-bit CPU.
Flash Linux 64bit FAQ : Adobe Labs - Flash Player 10 Frequently Asked Questions
Download Flash for Linux : Adobe Labs - Downloads: Flash Player 10
Source : Penguin.SWF: Now Supporting 16 Exabytes