From d7936f11aded13f03871c0d6502d611d6a1e2dc5 Mon Sep 17 00:00:00 2001 Message-Id: In-Reply-To: <53b5c5f559cc95fc676cb4cc9e5a8d9f0cb8f58c.1659815468.git.chunkeey@gmail.com> References: <53b5c5f559cc95fc676cb4cc9e5a8d9f0cb8f58c.1659815468.git.chunkeey@gmail.com> From: Christian Lamparter Date: Sat, 6 Aug 2022 19:27:20 +0200 Subject: [PATCH v1 2/2] um: increase default virtual physical memory to 64 MiB To: linux-um@lists.infradead.org Cc: Richard Weinberger , Anton Ivanov , Johannes Berg The current 32 MiB of RAM causes OOMs to appear shortly after booting in a minimal OpenWrt 22.03 configuration with a 5.10.134 kernel. Of course, passing a "mem=64M" (from the --help text) parameter works too, but it produces the following (info) message: | [ 0.000000] Unknown kernel command line parameters "mem=64M", will be passed to user space. That's why, I think it would be nicer, if this is working out of the box again :). Signed-off-by: Christian Lamparter --- arch/um/kernel/um_arch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -131,7 +131,7 @@ static int have_root __initdata; static int have_console __initdata; /* Set in uml_mem_setup and modified in linux_main */ -long long physmem_size = 32 * 1024 * 1024; +long long physmem_size = 64 * 1024 * 1024; EXPORT_SYMBOL(physmem_size); static const char *usage_string =