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Fri, 18 Sep 2026 12:40:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id mGsaJyQxrWpbCgAAD6G6ig (envelope-from ); Fri, 18 Sep 2026 12:40:04 +0000 Date: Fri, 18 Sep 2026 13:40:03 +0100 From: Pedro Falcato To: Anshuman Khandual Cc: linux-mm@kvack.org, Andrew Morton , David Hildenbrand , Lorenzo Stoakes , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: Constify arguments in default pxdp_get() Message-ID: References: <20260918064928.793742-1-anshuman.khandual@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260918064928.793742-1-anshuman.khandual@arm.com> X-Spam-Level: X-Spam-Score: 0.70 X-Spam-Flag: NO X-Spamd-Result: default: False [0.70 / 50.00]; ABUSE_SURBL(5.00)[linux-foundation.org:email]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; RCVD_TLS_ALL(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[kvack.org:email,arm.com:email,linux-foundation.org:email,imap1.dmz-prg2.suse.org:helo] On Fri, Sep 18, 2026 at 12:19:28PM +0530, Anshuman Khandual wrote: > Generic MM default pxdp_get() helpers fetch the values contained in pgtable > entries via READ_ONCE() without modifying them. Just make their arguments > explicitly 'const' for some additional protection. > > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: Lorenzo Stoakes > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Suggested-by: David Hildenbrand > Signed-off-by: Anshuman Khandual https://lore.kernel.org/linux-mm/20260803164400.531199-1-pfalcato@suse.de/ I'll respin my series, since it addresses every architecture. (apologies for not doing it yet this merge window, but it has been hectic downstream) -- Pedro