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um: increase default virtual physical memory to 64 MiB

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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 <chunkeey@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Christian Lamparter 2022-08-06 21:52:23 +02:00 committed by Richard Weinberger
parent 16c546e148
commit 0d644e9185
1 changed files with 1 additions and 1 deletions
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2
arch/um/kernel/um_arch.c
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@ -132,7 +132,7 @@ 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 =