[RFC net-next v2] netmem: replace __netmem_clear_lsb() with netmem_to_nmdesc()

From: Byungchul Park
Date: Tue Jul 29 2025 - 06:42:50 EST


Changes from RFC:
1. Optimize the implementation of netmem_to_nmdesc to use less
instructions (feedbacked by Pavel)

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