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See http://www.infradead.org/rpr.html X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 8493340006 X-Stat-Signature: 1wckfg9z86bznr5ugtedgcuwjjo8j47a X-HE-Tag: 1743664549-686491 X-HE-Meta: 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 Uj0QHD/G 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --=-K4I0nADpgjkH/E9CYStz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2025-04-03 at 08:07 +0100, David Woodhouse wrote: >=20 > I'll see if I can make it neater. I may drop the 'ret' variable > completely and just turn the match clause into unlock-and-return-true. > I *like* having a single unlock site. But I think I like simpler loop > code more than that. That's better (IMO). And I note that pfn_valid() already doesn't follow the modern fetish for having only one unlock site even when it makes the surrounding code more complex to do so. static inline bool first_valid_pfn(unsigned long *p_pfn) { unsigned long pfn =3D *p_pfn; unsigned long nr =3D pfn_to_section_nr(pfn); struct mem_section *ms; rcu_read_lock_sched(); while (nr <=3D __highest_present_section_nr) { ms =3D __pfn_to_section(pfn); if (valid_section(ms) && (early_section(ms) || pfn_section_first_valid(ms, &pfn))) { *p_pfn =3D pfn; rcu_read_unlock_sched(); return true; } /* Nothing left in this section? Skip to next section */ nr++; pfn =3D section_nr_to_pfn(nr); } rcu_read_unlock_sched(); return false; } --=-K4I0nADpgjkH/E9CYStz Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT AlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAi BgNVBAMTG0RpZ2lDZXJ0IEFzc3VyZWQgSUQgUm9vdCBDQTAeFw0yNDAxMzAwMDAwMDBaFw0zMTEx MDkyMzU5NTlaMEExCzAJBgNVBAYTAkFVMRAwDgYDVQQKEwdWZXJva2V5MSAwHgYDVQQDExdWZXJv a2V5IFNlY3VyZSBFbWFpbCBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMjvgLKj jfhCFqxYyRiW8g3cNFAvltDbK5AzcOaR7yVzVGadr4YcCVxjKrEJOgi7WEOH8rUgCNB5cTD8N/Et GfZI+LGqSv0YtNa54T9D1AWJy08ZKkWvfGGIXN9UFAPMJ6OLLH/UUEgFa+7KlrEvMUupDFGnnR06 aDJAwtycb8yXtILj+TvfhLFhafxroXrflspavejQkEiHjNjtHnwbZ+o43g0/yxjwnarGI3kgcak7 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