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Message-Id: <20260105-uapi-limits-v1-1-023bc7a13037@linutronix.de> Date: Mon, 05 Jan 2026 09:26:47 +0100 From: Thomas Weißschuh <thomas.weissschuh@...utronix.de> To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Andrew Lunn <andrew@...n.ch>, Pablo Neira Ayuso <pablo@...filter.org>, Jozsef Kadlecsik <kadlec@...filter.org>, Florian Westphal <fw@...len.de>, Phil Sutter <phil@....cc> Cc: Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, netfilter-devel@...r.kernel.org, coreteam@...filter.org, Thomas Weißschuh <thomas.weissschuh@...utronix.de> Subject: [PATCH RFC net-next 1/3] uapi: add INT_MAX and INT_MIN constants Some UAPI headers use INT_MAX and INT_MIN. Currently they include <limits.h> for their definitions, which introduces a problematic dependency on libc. Add custom, namespaced definitions of INT_MAX and INT_MIN using the same values as the regular kernel code. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de> --- include/uapi/linux/limits.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/limits.h b/include/uapi/linux/limits.h index 6bcbe3068761..35ffa2667309 100644 --- a/include/uapi/linux/limits.h +++ b/include/uapi/linux/limits.h @@ -18,4 +18,7 @@ #define RTSIG_MAX 32 +#define __KERNEL_INT_MAX ((int)(~0U >> 1)) +#define __KERNEL_INT_MIN (-__KERNEL_INT_MAX - 1) + #endif -- 2.52.0
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