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b=i70aeXISLBRvXOCvYar/0XG5MN77z0h0IgHOjQyRiGlbaGHjTS8j8wzzQ5XXVl9lA yowaL9/V9kzV26/FszQud20oWTyEmnTefoI4AY9Jwcf/kH3GaN3rvlRmDKBiM19C6a a8X9yKYT/StG5srzGsxnxxUomHa/1g1KV6BbT3bt4IzM1od+aOSOjKxhYe+cPWzXyy B2YxnuozLhs9FZc4x0DZkKOFh7YeGRwCn09uQmNpnP9xHqOwttu1F6omT922kdbVVd KEH5cAlA7XMwketYySW6ht3aRIHu67VvY3mMkyZR7M2rEIcKo/EiyeuFVrXkBAKXrL ITlpqZ42wAwUw== From: SJ Park To: Arnd Bergmann Cc: SJ Park , Suren Baghdasaryan , Andrew Morton , Hao Ge , Abhishek Bapat , Arnd Bergmann , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] alloc_tag: avoid implicit padding in uapi Date: Tue, 15 Sep 2026 18:08:11 -0700 Message-ID: <20260916010812.102238-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260915202404.3568029-1-arnd@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam04 X-Rspam-User: X-Stat-Signature: z5g3gopie9meu6jk9uarrw6bdo4ob6ho X-Rspamd-Queue-Id: 503471A0004 X-HE-Tag: 1789520900-190782 X-HE-Meta: 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 JWCyTnnS ClClfpJxLO/x/Eot3hXB0w34jRpHmgYvPjU6BH5QoXaCvBra+LOqhHrsl4zP2/mRiMTvRaFL6uZjK+leDlQ8wgHLutrZqFliv1b8OzHOXvRtKGDifrYI2FDoTqRD06txaQbXYlzNe3budp+jBl9N0boK8Wi0TuulSIOudtBmFJi298/1rjHT8MZBDFYK8yLX3a/TDUvGbf79Stf6uL8jQ4KlEJnpo0KZ+X8iNqkyAWsIlfk8kr4gMbYg//QfLVlTJXzC+zTurmyD/J5gEuzPdjLnJyaaVuor1gnMuFG2AK7/KTdA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 15 Sep 2026 22:23:47 +0200 Arnd Bergmann wrote: > From: Arnd Bergmann > > The impliied padding causes a harmless warning when testing the uapi s/impliied/implied/ > headers with -Wpadded that could in theory indicate incompatibilies or s/incompatibilies/incompatibilities/ > data leaks: > > ./usr/include/linux/alloc_tag.h:41:1: error: padding struct size to alignment boundary with 7 bytes [-Werror=padded] > > The code here is fine, but it's better to make the padding explicit > and avoid the warning here. Typos are trivial and the change makes sense to me. > > Fixes: 1d581ab2348c ("alloc_tag: add ioctl to /proc/allocinfo") > Signed-off-by: Arnd Bergmann Acked-by: SJ Park Thanks, SJ [...]