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Current memory allocation algorithm is to find the available address from the highest possible address below max_address. If the function returns 0, means all memory is used up and we have to put the resource at address 0, this is dangerous for a running hypervisor. Also returns 0 would make code logic very complicated, since memcpy_s() doesn't support address 0 copy. Tracked-On: #5626 Signed-off-by: Victor Sun <victor.sun@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com> |
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