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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-04-04 22:11:04 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-04-07 16:43:41 +0300
commitf584b68005ac782097d63a691740cb0dfed072ed (patch)
tree8ed4111a39c1fcbccee5a9df4b484bed8214b467 /mm
parentc185e494ae0ceb126d89b8e3413ed0a1132e05d3 (diff)
downloadlinux-f584b68005ac782097d63a691740cb0dfed072ed.tar.xz
mm: Add vma_alloc_folio()
This wrapper around alloc_pages_vma() calls prep_transhuge_page(), removing the obligation from the caller. This is in the same spirit as __folio_alloc(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/mempolicy.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index a2516d31db6c..ec15f4f4b714 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2227,6 +2227,19 @@ out:
}
EXPORT_SYMBOL(alloc_pages_vma);
+struct folio *vma_alloc_folio(gfp_t gfp, int order, struct vm_area_struct *vma,
+ unsigned long addr, bool hugepage)
+{
+ struct folio *folio;
+
+ folio = (struct folio *)alloc_pages_vma(gfp, order, vma, addr,
+ hugepage);
+ if (folio && order > 1)
+ prep_transhuge_page(&folio->page);
+
+ return folio;
+}
+
/**
* alloc_pages - Allocate pages.
* @gfp: GFP flags.