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[v3,2/2] swapon01: create 128MB swapfile

Message ID 20240322030208.3278120-2-liwang@redhat.com
State Accepted
Headers show
Series [v3,1/2] libswap: add two methods to create swapfile | expand

Commit Message

Li Wang March 22, 2024, 3:02 a.m. UTC 
The modification in the setup function changes the swap file
creation approach. Instead of allocating swap space based on
a number of blocks (which potentially could be too small for
the polluted memory swapout, thus causing an OOM), it now uses
a fixed size of 128 units for the swap file creation.

This is likely a conservative figure to prevent the OOM killer
from being triggered due to excessive memory allocation for the
swap file, helping ensure the test runs successfully on systems
with no swap space.

Signed-off-by: Li Wang <liwang@redhat.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/kernel/syscalls/swapon/swapon01.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/testcases/kernel/syscalls/swapon/swapon01.c b/testcases/kernel/syscalls/swapon/swapon01.c
index b986d97c4..49915c32d 100644
--- a/testcases/kernel/syscalls/swapon/swapon01.c
+++ b/testcases/kernel/syscalls/swapon/swapon01.c
@@ -38,7 +38,7 @@  static void verify_swapon(void)
 static void setup(void)
 {
 	is_swap_supported(SWAP_FILE);
-	MAKE_SWAPFILE_BLKS(SWAP_FILE, 10);
+	MAKE_SWAPFILE_SIZE(SWAP_FILE, 128);
 
 	SAFE_CG_PRINTF(tst_cg, "cgroup.procs", "%d", getpid());
 	SAFE_CG_PRINTF(tst_cg, "memory.max", "%lu", TESTMEM);