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-rw-r--r--include/linux/hugetlb.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 87c87f64bc05..817b8b4223fa 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_HUGETLB_H
#define _LINUX_HUGETLB_H
+#include <linux/mempolicy.h>
#include <linux/mm.h>
#include <linux/mm_types.h>
#include <linux/mmdebug.h>
@@ -682,6 +683,23 @@ struct hstate {
int isolate_or_dissolve_huge_folio(struct folio *folio, struct list_head *list);
int replace_free_hugepage_folios(unsigned long start_pfn, unsigned long end_pfn);
void wait_for_freed_hugetlb_folios(void);
+
+struct mempolicy_interpreted {
+ int nid;
+ nodemask_t *nodemask;
+ enum mempolicy_mode mode;
+};
+
+enum hugetlb_alloc_flag {
+ HUGETLB_ALLOC_CHARGE_CGROUP_RSVD_BIT = 0,
+ HUGETLB_ALLOC_USE_GLOBAL_RESERVATIONS_BIT,
+};
+
+#define HUGETLB_ALLOC_CHARG_CGROUP_RSVD BIT(HUGETLB_ALLOC_CHARGE_CGROUP_RSVD_BIT)
+#define HUGETLB_ALLOC_USE_GLOBAL_RESERVATIONS BIT(HUGETLB_ALLOC_USE_GLOBAL_RESERVATIONS_BIT)
+
+struct folio *hugetlb_alloc_folio(struct hstate *h,
+ struct mempolicy_interpreted *mpoli, u8 alloc_flags);
struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma,
unsigned long addr, bool cow_from_owner);
struct folio *alloc_hugetlb_folio_nodemask(struct hstate *h, int preferred_nid,