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60439471f3
test_kmem_basic creates 100,000 negative dentries, with each one mapping to a slab object. After memory.high is set, these are reclaimed through the shrink_slab function call which reclaims all 100,000 entries. The test passes the majority of the time because when slab1 or current is calculated, it is often above 0, however, 0 is also an acceptable value. Link: https://lkml.kernel.org/r/7d6gcuyzdjcice6qbphrmpmv5skr5jtglg375unnjxqhstvhxc@qkn6dw6bao6v Signed-off-by: Lucas Karpinski <lkarpins@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Zefan Li <lizefan.x@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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