From 33f776b54cd374fb980af2754333cca0f235f9dc Mon Sep 17 00:00:00 2001 From: Palmer Dabbelt Date: Sat, 13 Feb 2021 20:29:09 -0800 Subject: [PATCH] execve.2: Correct the versions of Linux that don't have ARG_MAX argv/envp size I just happened upon this inconsistent text while reading `man 2 execve`. The code in question landed in 2.6.23 as b6a2fea39318 ("mm: variable length argument support"). Signed-off-by: Palmer Dabbelt Signed-off-by: Michael Kerrisk --- man2/execve.2 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man2/execve.2 b/man2/execve.2 index eb3d37e32..639e3b4b9 100644 --- a/man2/execve.2 +++ b/man2/execve.2 @@ -431,7 +431,7 @@ so that, even when .BR RLIMIT_STACK is set very low, applications are guaranteed to have at least as much argument and -environment space as was provided by Linux 2.6.23 and earlier. +environment space as was provided by Linux 2.6.22 and earlier. (This guarantee was not provided in Linux 2.6.23 and 2.6.24.) Additionally, the limit per string is 32 pages (the kernel constant .BR MAX_ARG_STRLEN ),