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da3e2d1ca4
The hugetlb_optimize_vmemmap_key static key was used to guard fake head detection in compound_head() and related functions. It allowed skipping the fake head checks entirely when HVO was not in use. With fake heads eliminated and the detection code removed, the static key serves no purpose. Remove its definition and all increment/decrement calls. Link: https://lkml.kernel.org/r/20260227194302.274384-16-kas@kernel.org Signed-off-by: Kiryl Shutsemau <kas@kernel.org> Reviewed-by: Muchun Song <muchun.song@linux.dev> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Baoquan He <bhe@redhat.com> Cc: Christoph Lameter <cl@gentwo.org> Cc: David Rientjes <rientjes@google.com> Cc: Frank van der Linden <fvdl@google.com> Cc: Harry Yoo <harry.yoo@oracle.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Oscar Salvador <osalvador@suse.de> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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