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drm: use idr_init_base() to initialize master->lessee_idr
idr_init_base(), implemented by commit 6ce711f275
("idr: Make 1-based
IDRs more efficient"), let us set an arbitrary base other than
idr_init(), which uses base 0.
Since, for this IDR, no ID < 1 is ever requested/allocated, using
idr_init_base(&idr, 1) avoids unnecessary tree walks.
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220701185303.284082-5-dakr@redhat.com
This commit is contained in:
parent
a49afeb416
commit
3a6acb7dd6
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@ -147,7 +147,7 @@ struct drm_master *drm_master_create(struct drm_device *dev)
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INIT_LIST_HEAD(&master->lessees);
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INIT_LIST_HEAD(&master->lessee_list);
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idr_init(&master->leases);
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idr_init(&master->lessee_idr);
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idr_init_base(&master->lessee_idr, 1);
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return master;
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}
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