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authorChristoph Hellwig <hch@lst.de>2022-02-16 07:31:35 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-03-03 20:47:33 +0300
commit895749455f6054e0c7b40a6ec449a3ab6db51bdd (patch)
tree8e17c4d8ee96c7a41d16d0a12c2f98d293bbff6d /mm/swap.c
parent75e55d8a107edb2fd6e02b1fa8a81531209cda04 (diff)
downloadlinux-895749455f6054e0c7b40a6ec449a3ab6db51bdd.tar.xz
mm: simplify freeing of devmap managed pages
Make put_devmap_managed_page return if it took charge of the page or not and remove the separate page_is_devmap_managed helper. Link: https://lkml.kernel.org/r/20220210072828.2930359-6-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Tested-by: "Sierra Guiza, Alejandro (Alex)" <alex.sierra@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Christian Knig <christian.koenig@amd.com> Cc: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Karol Herbst <kherbst@redhat.com> Cc: Lyude Paul <lyude@redhat.com> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Muchun Song <songmuchun@bytedance.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'mm/swap.c')
-rw-r--r--mm/swap.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/mm/swap.c b/mm/swap.c
index e499df864ef7..db8d0eea13d7 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -930,16 +930,8 @@ void release_pages(struct page **pages, int nr)
unlock_page_lruvec_irqrestore(lruvec, flags);
lruvec = NULL;
}
- /*
- * ZONE_DEVICE pages that return 'false' from
- * page_is_devmap_managed() do not require special
- * processing, and instead, expect a call to
- * put_page_testzero().
- */
- if (page_is_devmap_managed(page)) {
- put_devmap_managed_page(page);
+ if (put_devmap_managed_page(page))
continue;
- }
if (put_page_testzero(page))
put_dev_pagemap(page->pgmap);
continue;