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slub: Move node determination out of hotpath
If the node does not change then there is no need to recalculate the node from the page struct. So move the node determination into the places where we acquire a new slab page. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
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@ -1828,7 +1828,6 @@ load_freelist:
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c->freelist = get_freepointer(s, object);
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page->inuse = page->objects;
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page->freelist = NULL;
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c->node = page_to_nid(page);
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unlock_out:
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slab_unlock(page);
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@ -1845,8 +1844,10 @@ another_slab:
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new_slab:
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page = get_partial(s, gfpflags, node);
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if (page) {
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c->page = page;
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stat(s, ALLOC_FROM_PARTIAL);
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load_from_page:
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c->node = page_to_nid(page);
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c->page = page;
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goto load_freelist;
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}
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@ -1867,8 +1868,8 @@ new_slab:
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slab_lock(page);
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__SetPageSlubFrozen(page);
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c->page = page;
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goto load_freelist;
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goto load_from_page;
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}
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if (!(gfpflags & __GFP_NOWARN) && printk_ratelimit())
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slab_out_of_memory(s, gfpflags, node);
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