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b=B1h6EGEaVDT7ULvhJRLe1vkELBRXpUhhBEnR6orlJ4zVndEeRaZvhYyQS2Y0WNM9a 8dsnAFsSXGo5bdA6tHWpsgNaCEn8eROVpTtz7z6O3Hs2OuryAeo32JJpOGTkz6VlOH noEurSGE7vRjLKbbFKWCeVDb9aV3KQqZqM5OWYamlocO2ByLIxQ8AFApUDUY8cWBXl yEvQUxR66573S6eooZTz7/wXY7A/nu96m8GMsBw6oLYWNT7nrBqYEAg7TvXMVXBKjl Q/0dnMCin0uc9pp1L38f9kYPlJQrokXeRiyUCM3jHk95L1HxBm+dUbdEzbA1CrDx52 wogvKy9OQQ5oA== From: SeongJae Park To: Manuel Ebner Cc: SeongJae Park , Jonathan Corbet , Shuah Khan , linux-doc@vger.kernel.org, Kees Cook , linux-kernel@vger.kernel.org, workflows@vger.kernel.org, linux-mm@kvack.org, Geert Uytterhoeven Subject: Re: [PATCH v4 3/3] Documentation: deprecated.rst: kmalloc-family: mark argument as optional Date: Wed, 29 Apr 2026 18:03:32 -0700 Message-ID: <20260430010332.114100-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260429072704.311603-2-manuelebner@mailbox.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 3033980008 X-Stat-Signature: f6fzm8jsx3jhsbjoipt59pnhjbxgyn5m X-HE-Tag: 1777511020-42959 X-HE-Meta: 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 S/b+zD7F fv7Wj9YedfztAg2R0Ywniw2I38oILcsYhEuI4n2jW8z/HFd9pHizm1Kz0RvL7ZuazcPYpfTZwOEdmbvMBKa+VtEP3w7IAct7J8C60jfUqHDvPbALHXmHretCBexM8nQ9dYq/gw6gSxnwkVAQOcFeJp+3axdQ5sXYMqaJRuNAHp1YbZV+TrmKaAyGF1FzPUxwlMZvkYy88VdmcU0jzE1g21WzxvaF7PL8apI/kndYKFBTYO86dXOhqlxCTCeuL7sOkIxHCHAHhLTGdaBE+pMqT7Wzj7OOI+sUGGAPg Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 29 Apr 2026 09:27:04 +0200 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 I have a trivial question below, but because it is trivial, Acked-by: SeongJae Park > --- > 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 Like 'ptr->flex_member' and 'count', why don't you enclose 'gfp' and 'GFP_KERNEL' with backticks ('`')? Thanks, SJ [...]