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([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-kernel@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