From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 11F872DF153 for ; Wed, 29 Apr 2026 08:01:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777449689; cv=none; b=SlJA6Yg0e/TNkVrmy1M74E9CTUACA9daozCM1M91gqtXDNcF00UCqz4bo0b32s5Dtuuwl5rE52MLrBxQT3GYCX0OSZA72LHczRKbMvdSadOUxtYM04SUNAe8+WdXc+H8wxXbkweKViXNDsx4rx7Lc+AmNFVfF91SlqJMmjK23aA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777449689; c=relaxed/simple; bh=cCTmLs5IIowad/djOAK+5VNMZbIbVtoboSLsS4fSv1c=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=kopHDw+d8egKODaETqAm6Aemf6bqsOZcd8L+z8XpWZj1e+TxrrRfxSB6dXrusFrA9aykl68iQHNCqxlMoo3Rdk+NUZ13bSA/sfVQy0bUTM5mHSgiJ4hY9lJt5SKlUKpVJ9wGLcDtRW/VvDR10KDnBkMReNGpMCN8Hddw/HlEMKU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=NR93f+Ai; arc=none smtp.client-ip=209.85.128.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="NR93f+Ai" Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4891f6b6388so4002475e9.0 for ; Wed, 29 Apr 2026 01:01:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1777449685; x=1778054485; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=ZgTX+gVOkVV7nUMiKXD4ocpW5cTuBnrdpljyNN6o5Eg=; b=NR93f+AiUmaejAOC0A5edNkxWHvbAqdFEvdX4zdITz6IzcYlBe0SRnmNRLCfwd/xgV 14kgd7UtIx6IAJJAlCo1wyQ7zFUM2N/BezMBlamR7bKteI/lMtX+HYU2lEvCSUGrgdEG Z6XHrwqqld6FsN5r1bDhr6W85fGlWR+aYdV6msBKZYnKSV3lSMwUYi3XWDwitv64xl4a aU8fIqRgxvreeUS5tnh5whq0TtJ+1hTEraVZBn2xWl2q8uw579fFTAbLRFErrDiJtifx 4injMrFgYzGsese8EW37H+Ou4f4GyMdP7LpXAs7lcwSDoq1JVq3a5wak07g/JhVMg+Zm kMJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777449685; x=1778054485; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ZgTX+gVOkVV7nUMiKXD4ocpW5cTuBnrdpljyNN6o5Eg=; b=jfZSHT7SmauhTecAxreRyyCRhA0I6ER+8Kc22J35SaUHgXP3iH3ubUkw2i8y8jPhsi 7MqP45yhws7zt2QMUPoiw45jXYmd348Uau2pSPWfkHCuoO2bpsD9Bd9Mkzy2/UVA1Ydp sRh3uUGfJuQrV9Ejff2f3C7Piz3eDDBOrVRihVvWI8Kip90d55LgLEGjS8uyipbIkDB7 95m8wSLMFYIyLL3aVBC9C/50ejKUI0ZDicxhXbp+R1qOlPDSSLp5qTpmJS7x/ThGBkrb YbFAfT3VANSrdPtbyLTZTND4iT8vN/NlT8/Ctm4O+Q2G4lsB2dNbfUBKORN2tK3y+Gnt WCKQ== X-Forwarded-Encrypted: i=1; AFNElJ/bqsHjiNMdB1IlZ8G77/roGeHfoJzZ34wx4l7qzXJ61fsFMoZlu1I00mofZSC+T7wVKVI2dM+sXOU=@vger.kernel.org X-Gm-Message-State: AOJu0YxOD2bCsECO50TE1R4ge5PLu+RxUED/S8gRnKKuHMxuBIuM2e1Z 7TpxQXvep5H1HvgLtY6YmcWy53Txr4j5VzvK/Aigvmo4Z85wUIzYvwew6ESGvl4yXG+OfATwEPV r0sfommQ= X-Gm-Gg: AeBDievgL4fODPB2jrTF9VFOayuMzwIDiPP87c0bC3UYZne9xN76T0SnG2PcAvrl+Oh u0byH7Le6gi9qYMVG6bv5mG7hitNTmYcdGoXihKwU3z6pbefW7mEpSsr87t74TVrC5ad9PRbBl+ Vvs3veqk3rcD8dQ2JkNgVmp2vH1Okn3qZhAI7T+XZgTvwjr//Up49rVZSNnw7O37RWCMFNBqerK mzcefRjv1+dCKIT3tGJC/FD5THYbW8Ii+O+Pz/MJKeaEAeYLsZv83O/tsqVB1eJpVyCQtBIg6hS wdRS7vJiGwfgKhHPl+haZ7UuGQ07XbKOXcd2lr+YYbucHF58KuX3wpmy7gv4Mrk/DaOM8L27P4B c+0D+BRceQ7201bMsO2sXU2NvgmD1yqSZ56AjINzw49URrw2u5Rl1vMkKigGDbEzvqK8uGYbJrq 5D7/RH+Olx//yOPzlKOa7sv126YvXOAyN/2ut7+/azKHN86+k+H2ygTk1YtcxKMfGVldeA X-Received: by 2002:a05:600d:8448:b0:488:a797:f099 with SMTP id 5b1f17b1804b1-48a76f7a55dmr48377525e9.3.1777449685427; Wed, 29 Apr 2026 01:01:25 -0700 (PDT) Received: from ?IPV6:2001:1a48:8:903:1ed6:4f73:ce38:f9d4? ([2001:1a48:8:903:1ed6:4f73:ce38:f9d4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48a7bc12bcbsm63364245e9.1.2026.04.29.01.01.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Apr 2026 01:01:24 -0700 (PDT) Message-ID: Date: Wed, 29 Apr 2026 10:01:24 +0200 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 3/3] Documentation: deprecated.rst: kmalloc-family: mark argument as optional Content-Language: en-US To: Manuel Ebner , Jonathan Corbet , Shuah Khan , linux-doc@vger.kernel.org, Kees Cook , linux-kernel@vger.kernel.org Cc: workflows@vger.kernel.org, linux-mm@kvack.org, Geert Uytterhoeven References: <20260429070759.309110-3-manuelebner@mailbox.org> <20260429072704.311603-2-manuelebner@mailbox.org> From: Vlastimil Babka In-Reply-To: <20260429072704.311603-2-manuelebner@mailbox.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 4/29/26 09:27, Manuel Ebner wrote: > put the optional argument (gfp) in square brackets > add default value = GFP_KERNEL > > eg. ptr = kmalloc_obj(*ptr, gfp); > -> ptr = kmalloc_obj(*ptr [, gfp] ); > > Signed-off-by: Manuel Ebner Acked-by: Vlastimil Babka (SUSE) > --- > Documentation/process/deprecated.rst | 15 ++++++++------- > 1 file changed, 8 insertions(+), 7 deletions(-) > > diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst > index fed56864d036..ac75b7ecac47 100644 > --- a/Documentation/process/deprecated.rst > +++ b/Documentation/process/deprecated.rst > @@ -392,13 +392,14 @@ allocations. For example, these open coded assignments:: > > become, respectively:: > > - ptr = kmalloc_obj(*ptr, gfp); > - ptr = kzalloc_obj(*ptr, gfp); > - ptr = kmalloc_objs(*ptr, count, gfp); > - ptr = kzalloc_objs(*ptr, count, gfp); > - ptr = kmalloc_flex(*ptr, flex_member, count, gfp); > - __auto_type ptr = kmalloc_obj(struct foo, gfp); > - > + ptr = kmalloc_obj(*ptr [, gfp] ); > + ptr = kzalloc_obj(*ptr [, gfp] ); > + ptr = kmalloc_objs(*ptr, count [, gfp] ); > + ptr = kzalloc_objs(*ptr, count [, gfp] ); > + ptr = kmalloc_flex(*ptr, flex_member, count [, gfp] ); > + __auto_type ptr = kmalloc_obj(struct foo [, gfp] ); > + > +The argument gfp is optional, the default value is GFP_KERNEL. > If `ptr->flex_member` is annotated with __counted_by(), the allocation > will automatically fail if `count` is larger than the maximum > representable value that can be stored in the counter member associated