From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Sun, 15 Jan 2012 19:53:49 +0100 Subject: Raise soft address space limit to hard limit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit For SLES we want users to be able to use large memory configurations with KVM without fiddling with ulimit -Sv. Signed-off-by: Andreas Färber [BR: add include for sys/resource.h] Signed-off-by: Bruce Rogers --- vl.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/vl.c b/vl.c index b426b3213461210565bd1db15a0c..2b864f7dbe8b60ace40fa3258a37 100644 --- a/vl.c +++ b/vl.c @@ -30,6 +30,7 @@ #include "qemu/cutils.h" #include "qemu/help_option.h" #include "qemu/uuid.h" +#include #include "sysemu/seccomp.h" #include "sysemu/tcg.h" @@ -2889,6 +2890,7 @@ int main(int argc, char **argv, char **envp) bool list_data_dirs = false; char *dir, **dirs; BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); + struct rlimit rlimit_as; os_set_line_buffering(); @@ -2900,6 +2902,16 @@ int main(int argc, char **argv, char **envp) qemu_mutex_lock_iothread(); + /* + * Try to raise the soft address space limit. + * Default on SLES 11 SP2 is 80% of physical+swap memory. + */ + getrlimit(RLIMIT_AS, &rlimit_as); + if (rlimit_as.rlim_cur < rlimit_as.rlim_max) { + rlimit_as.rlim_cur = rlimit_as.rlim_max; + setrlimit(RLIMIT_AS, &rlimit_as); + } + atexit(qemu_run_exit_notifiers); qemu_init_exec_dir(argv[0]);