Thread (15 messages) 15 messages, 6 authors, 2016-08-30

Re: [PATCH v3] mm/slab: Improve performance of gathering slabinfo stats

From: Eric Dumazet <hidden>
Date: 2016-08-17 19:04:00
Also in: lkml

On Wed, 2016-08-17 at 11:20 -0700, Aruna Ramakrishna wrote:
]
-		list_for_each_entry(page, &n->slabs_full, lru) {
-			if (page->active != cachep->num && !error)
-				error = "slabs_full accounting error";
-			active_objs += cachep->num;
-			active_slabs++;
-		}
Since you only removed this loop, you could track only number of
full_slabs.

This would avoid messing with n->num_slabs all over the places in fast
path.

Please also update slab_out_of_memory()





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