mm: call free_huge_page() directly

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Indirect calls are expensive, thanks to Spectre.  Call free_huge_page()
directly if the folio belongs to hugetlb.

Link: https://lkml.kernel.org/r/20230816151201.3655946-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

This commit is contained in:

Matthew Wilcox (Oracle) 2023-08-16 16:11:50 +01:00 • committed by Andrew Morton

parent 99a9e0b83a

commit dd6fa0b618

2 changed files with 7 additions and 4 deletions

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3

include/linux/hugetlb.h

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8

mm/page_alloc.c

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