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LKML ; Baoquan He > ; Christoph Hellwig ; Uladzislau Rezki > ; Oleksiy Avramchenko > Subject: [External] [PATCH 2/4] lib/test_vmalloc.c: Allow built-in execut= ion >=20 > This patch removes the dependency on module loading ("m") for the vmalloc > test suite, enabling it to be built directly into the kernel, so both ("= =3Dm") and > ("=3Dy") are supported. >=20 > Motivation: > - Faster debugging/testing of vmalloc code; > - It allows to configure the test via kernel-boot parameters. >=20 > Configuration example: > test_vmalloc.nr_threads=3D64 > test_vmalloc.run_test_mask=3D7 > test_vmalloc.sequential_test_order=3D1 >=20 > Signed-off-by: Uladzislau Rezki (Sony) > --- > lib/Kconfig.debug | 3 +-- > lib/test_vmalloc.c | 5 +++-- > 2 files changed, 4 insertions(+), 4 deletions(-) Reviewed-by: Adrian Huang Tested-by: Adrian Huang > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index > f9051ab610d54..166b9d830a85a 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -2574,8 +2574,7 @@ config TEST_BITOPS config TEST_VMALLOC > tristate "Test module for stress/performance analysis of vmalloc alloca= tor" > default n > - depends on MMU > - depends on m > + depends on MMU > help > This builds the "test_vmalloc" module that should be used for > stress and performance analysis. So, any new change for vmalloc diff > --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c index > 4ab23e5e772d0..6d65ef725d42c 100644 > --- a/lib/test_vmalloc.c > +++ b/lib/test_vmalloc.c > @@ -591,10 +591,11 @@ static void do_concurrent_test(void) > kvfree(tdriver); > } >=20 > -static int vmalloc_test_init(void) > +static int __init vmalloc_test_init(void) > { > do_concurrent_test(); > - return -EAGAIN; /* Fail will directly unload the module */ > + /* Fail will directly unload the module */ > + return IS_BUILTIN(CONFIG_TEST_VMALLOC) ? 0:-EAGAIN; > } >=20 > module_init(vmalloc_test_init) > -- > 2.39.5 >=20