https://bugzilla.kernel.org/show_bug.cgi?id=214871 --- Comment #3 from Alejandro Colomar (man-pages) (alx.manpages@xxxxxxxxx) --- Hi Adhemerval, Michael, On 11/1/21 13:06, zatrazz wrote: > Hi Alejandro, > > Indeed we changed glibc to use posix_spawn on system and popen on 2.29 > since > to use posix_spawn (which uses clone (CLONE_VFORK | CLONE_VM)). It plays > way better with Linux memory subsystem than fork() + exec() specially > when such > calls are used with process with large RSS. I applied the following patch. I'll close the bug. Thanks, Alex --- system.3: It doesn't call fork anymore Reported-by: Michael Kearney <mikekearney85@xxxxxxxxxxx> Cc: Adhemerval Zanella <zatrazz@xxxxxxxxx> Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> diff --git a/man3/system.3 b/man3/system.3 index 880fe93c6..bde45ed82 100644 --- a/man3/system.3 +++ b/man3/system.3 @@ -40,9 +40,9 @@ system \- execute a shell command .SH DESCRIPTION The .BR system () -library function uses +library function behaves as if it used .BR fork (2) -to create a child process that executes the shell command specified in +to create a child process that executed the shell command specified in .I command using .BR execl (3) -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
