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b=iUcZfZx2htTGVUMnfQK3FveqDTIDwSfOiCNAFKqjTunLhJAA4LbCoZksU57JMWqhb E7zKfLx+KjxB/1F3hRN7ld03Xnd4OOAYpHLxu2GuD0GMG8AmH1LJKd9bS62vKpMj4Z RkdTlxSlkMR+rNu/1d3sQxLXUtfrLURsDYHfDaJ+DlBTcYmit5UP7bkPzmaCU1gn3r O7UY29DgPoZVyu3QpP93j0KtDKpgFGCEEPQFzPVDtEFbA9MRSZfi9rnx1I8KjtN4GQ cNATgsxQvnSC3Fdg+eLYYLKEJcB0OO4RwHDKdAKT0x0/GbdHjjSPFo0U36HtaTIqeM 6R6aTf5QR+47A== Message-ID: Date: Wed, 17 Jun 2026 18:36:26 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 11/15] mm/slab: pass slab_alloc_context to __do_kmalloc_node() To: "Vlastimil Babka (SUSE)" Cc: Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Alexei Starovoitov , Andrew Morton , Johannes Weiner , Michal Hocko , Shakeel Butt , Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org References: <20260615-slab_alloc_flags-v3-0-ce1146d140fb@kernel.org> <20260615-slab_alloc_flags-v3-11-ce1146d140fb@kernel.org> Content-Language: en-US From: Harry Yoo In-Reply-To: <20260615-slab_alloc_flags-v3-11-ce1146d140fb@kernel.org> Content-Type: multipart/signed; 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boundary="------------0cKAcwBqd61rxD70lkQiPDmz"; protected-headers="v1" From: Harry Yoo To: "Vlastimil Babka (SUSE)" Cc: Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Alexei Starovoitov , Andrew Morton , Johannes Weiner , Michal Hocko , Shakeel Butt , Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Message-ID: Subject: Re: [PATCH v3 11/15] mm/slab: pass slab_alloc_context to __do_kmalloc_node() References: <20260615-slab_alloc_flags-v3-0-ce1146d140fb@kernel.org> <20260615-slab_alloc_flags-v3-11-ce1146d140fb@kernel.org> In-Reply-To: <20260615-slab_alloc_flags-v3-11-ce1146d140fb@kernel.org> --------------0cKAcwBqd61rxD70lkQiPDmz Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 6/15/26 8:54 PM, Vlastimil Babka (SUSE) wrote: > With alloc_flags usage in slab, we can replace __GFP_NO_OBJ_EXT with an= > alloc flag that prevents kmalloc recursion. For that we need a version > of kmalloc() that takes alloc_flags and use it in places that perform > these potentially recursive kmalloc allocations (of sheaves or obj_ext > arrays). >=20 > As a preparatory step, make __do_kmalloc_node() take a pointer to > slab_alloc_context. This replaces the 'size' and 'caller' parameters an= d > includes alloc_flags which we'll make use of. >=20 > Link: https://patch.msgid.link/20260610-slab_alloc_flags-v2-12-7190909d= b118@kernel.org > Reviewed-by: Hao Li > Signed-off-by: Vlastimil Babka (SUSE) > --- Looks good to me, Reviewed-by: Harry Yoo (Oracle) --=20 Cheers, Harry / Hyeonggon --------------0cKAcwBqd61rxD70lkQiPDmz-- --------------rWUE760itSiMGFZhE7U2S0m0 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQQQ1ub6gR5ogjaKRmOGXBN6rc5S1gUCajJqmgAKCRCGXBN6rc5S 1iS4AQCLRD76+3wcnQ2tKc8Sv5vzWltn/HT63SdLAQZxDEZHtQEA6UR3K29HgeQQ r9k7dPVVOUsWaYdcnknjgAp4TiM9dw4= =zxWP -----END PGP SIGNATURE----- --------------rWUE760itSiMGFZhE7U2S0m0--