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From: "Brendan Jackman" To: "Lorenzo Stoakes" , "Kalyazin, Nikita" References: <20260410151746.61150-1-kalyazin@amazon.com> <20260410151746.61150-2-kalyazin@amazon.com> In-Reply-To: X-Migadu-Flow: FLOW_OUT On Tue Apr 21, 2026 at 2:43 PM UTC, Lorenzo Stoakes wrote: > On Fri, Apr 10, 2026 at 03:17:58PM +0000, Kalyazin, Nikita wrote: >> From: Nikita Kalyazin >> >> Let's convert set_direct_map_*() to take an address instead of a page to >> prepare for adding helpers that operate on folios; it will be more >> efficient to convert from a folio directly to an address without going >> through a page first. Why is this more efficient? Isn't it a purely compile-time conversion? Indeed in the current implementation folio_address() is page_address(&folio->page) so it still goes through a page anyway, no? I might be missing context here about how this will look in the memdesc future.