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slub: Allocate frozen pages
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Tue, 31 May 2022 13:36:14 +0000 (09:36 -0400)
committerMatthew Wilcox (Oracle) <willy@infradead.org>
Tue, 3 Jan 2023 14:00:32 +0000 (09:00 -0500)
commit0f343454bc391975bbfab1a0f7f4f93b3b3cc9ff
tree8842056522ef74acc175ac600441892fb1c52a59tree
parentc1eac6aedd0ecec280328df9da5574876fda40cacommit | diff
slub: Allocate frozen pages

Since slub does not use the page refcount, it can allocate and
free frozen pages, saving one atomic operation per free.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
mm/slab_common.c diff | blob | history
mm/slub.c diff | blob | history
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