On Fri, Apr 24, 2026 at 12:00:53PM +0800, Li Wang <[email protected]> wrote: > test_swapin_nozswap can hit OOM before reaching its assertions on some > setups.
Is it because of differences in available IO or what does it depend on? > The test currently sets memory.max=8M and then allocates/reads > 32M with memory.zswap.max=0, which may over-constrain reclaim and kill > the workload process. > > Replace hardcoded sizes with PAGE_SIZE-based values: > - control_allocation_size = PAGE_SIZE * 512 > - memory.max = control_allocation_size * 3 / 4 > - minimum expected swap = control_allocation_size / 4 > > This keeps the test pressure model intact (allocate/read beyond memory.max to > force swap-in/out) while making it more robust across different environments. I see you used allocation value that is preserve absolute values from 64k systems test is differnt on 4k ones. Any specific reason for that? Thanks, Michal
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