From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792583247; b=4h5SwOy1W64Ovt9EPVP7/A8C84VMo+Kin/zc7DphHsUVR7HooXcLE9IRb+HScPefUzc+ DEMi3ZYWQQ2kAaoxSQOEXvD+S+aHGYs5jVK35fXnuP3NfPh1weuSXWBEIsQB9WC/D9bxv G6nzuz4Isf38OQMLbtk3P7sftifoq4cNEMGYwpj1JTq17fTywa/iY5xZFhhFHCUN8hp2m htlSn8bXkLxWTGRCJ+ktdup1jsWuXesQf934O2ABCzhMA/ZYO6IVnvpCJdF3Z5VS54d/9 sgXVDctd21v/G6ePj9x+oGGC5HENyw3qLN+x0Lu/i6cmiuNkic0vHGjvc/otFY+MJ0A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792583247; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version:Content-Type: Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc: X-Mailer; bh=O0NXh8hdG+uzuvBEcab3bue23KeeKcY2/7YypkLouPE=; b=mylK/onAJy52qnlY40XCUIGZQrcpWzrMPM0qprVVt0slYaaKlYenuCusSRp0iBxgypYE nkdbFZy72hoQmz/isO+caEtmNLK8GzlNkhU13SAYK3A0ebmbfZahIa8Do9vCwmYzxeySw VGOg3L3vZcdBseFd4bqyzq4hDUJ18aDLGhl9Xz6u1HIDSoYwSsgOVX+4Dh8iCaByc5/1l SGAb54+fN40N4HSZeAL4PfrkNsxwIEFoTGkql5yTELv5qjfS3lX9yQlhikijoVlr8gyJ5 fTtfYy/zrPwcpgokSjCptEQlL0jyq4MaUfdvg4aDGOWpSWxjlZo9RlroJm1szHaqdVg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FeIwbXVa; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E542D606A322 for ; Wed, 21 Oct 2026 11:47:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FeIwbXVa Received: by smtp.kernel.org (Postfix) with ESMTPSA id 392971F000C7; Wed, 21 Oct 2026 11:47:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792583246; bh=O0NXh8hdG+uzuvBEcab3bue23KeeKcY2/7YypkLouPE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=FeIwbXVa4VI7WJv3ok6ERoNwYKIgZ5pQ6nWD20UtkfoA0IpkgcqH8zAE55uqLRb1M G1zxVIw2+vFkKcfs+jnML3y7c+3JP8EiddfweYD2fwQWJn5kMJxj9Z5vjfW+PzDE2B TgARio/GdAS1jgtORs5ufeKUWyijpmLoB1jVlYsj8ACeA+05OibGU9yEE4qWHAMLLY IG4cSaPCVUhI/z7SHyA4VF2+VxS1iFLP1R9U6NvvmHc3/sq8gnNbZk4n05G0T8IyL5 goBf7zAacatnIyIWdoUEJ1MNtSAuNi5XW3G5M3cFegppeQMbiRUF4ScWZlURkPpPoV qrKh1YDtjm2dg== From: "Harry Yoo (Meta)" Date: Wed, 21 Oct 2026 12:46:42 +0100 Subject: [PATCH slab/for-next 01/14] mm/slab: allow passing SLAB_MAY_ACCOUNT to kmem_cache_create() X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261021-memalloc-prof-dont-waste-slabobj-ext-metadata-v1-1-096800aa3330@kernel.org> References: <20261021-memalloc-prof-dont-waste-slabobj-ext-metadata-v1-0-096800aa3330@kernel.org> In-Reply-To: <20261021-memalloc-prof-dont-waste-slabobj-ext-metadata-v1-0-096800aa3330@kernel.org> To: Vlastimil Babka , Andrew Morton , Suren Baghdasaryan , Johannes Weiner , Michal Hocko , Shakeel Butt , Roman Gushchin Cc: Hao Li , Christoph Lameter , David Rientjes , Muchun Song , Hao Ge , Pedro Falcato , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, "Harry Yoo (Meta)" X-Mailer: b4 0.16.0 Callers will specify SLAB_MAY_ACCOUNT for caches whose objects may be allocated with __GFP_ACCOUNT. Accept the flag in SLAB_CORE_FLAGS. Signed-off-by: Harry Yoo (Meta) --- mm/slab.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slab.h b/mm/slab.h index e94ac63d10dc..31783311e23e 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -472,7 +472,7 @@ void flush_rcu_sheaves_on_cache(struct kmem_cache *s); SLAB_CACHE_DMA32 | SLAB_PANIC | \ SLAB_TYPESAFE_BY_RCU | SLAB_DEBUG_OBJECTS | \ SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \ - SLAB_TEMPORARY | SLAB_ACCOUNT | \ + SLAB_TEMPORARY | SLAB_ACCOUNT | SLAB_MAY_ACCOUNT | \ SLAB_NO_USER_FLAGS | SLAB_KMALLOC | SLAB_NO_MERGE) #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \ -- 2.54.0