From: Mike Rapoport <r...@linux.ibm.com>
It will be used by the upcoming secret memory implementation.
Signed-off-by: Mike Rapoport <r...@linux.ibm.com>
Cc: Alexander Viro <v...@zeniv.linux.org.uk>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Arnd Bergmann <a...@arndb.de>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Catalin Marinas <catalin.mari...@arm.com>
Cc: Christopher Lameter <c...@linux.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Dave Hansen <dave.han...@linux.intel.com>
Cc: David Hildenbrand <da...@redhat.com>
Cc: Elena Reshetova <elena.reshet...@intel.com>
Cc: Hagen Paul Pfeifer <ha...@jauu.net>
Cc: "H. Peter Anvin" <h...@zytor.com>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: James Bottomley <j...@linux.ibm.com>
Cc: "Kirill A. Shutemov" <kir...@shutemov.name>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Matthew Wilcox <wi...@infradead.org>
Cc: Michael Kerrisk <mtk.manpa...@gmail.com>
Cc: Palmer Dabbelt <pal...@dabbelt.com>
Cc: Palmer Dabbelt <palmerdabb...@google.com>
Cc: Paul Walmsley <paul.walms...@sifive.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Rick Edgecombe <rick.p.edgeco...@intel.com>
Cc: Roman Gushchin <g...@fb.com>
Cc: Shakeel Butt <shake...@google.com>
Cc: Shuah Khan <sh...@kernel.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Tycho Andersen <ty...@tycho.ws>
Cc: Will Deacon <w...@kernel.org>
---
mm/internal.h | 3 +++
mm/mmap.c | 5 ++---
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/mm/internal.h b/mm/internal.h
index 9902648f2206..8e9c660f33ca 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -353,6 +353,9 @@ static inline void munlock_vma_pages_all(struct
vm_area_struct *vma)
extern void mlock_vma_page(struct page *page);
extern unsigned int munlock_vma_page(struct page *page);
+extern int mlock_future_check(struct mm_struct *mm, unsigned long flags,
+ unsigned long len);
+
/*
* Clear the page's PageMlocked(). This can be useful in a situation where
* we want to unconditionally remove a page from the pagecache -- e.g.,
diff --git a/mm/mmap.c b/mm/mmap.c
index 28ef5e29152a..10b9b8b88913 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1346,9 +1346,8 @@ static inline unsigned long round_hint_to_min(unsigned
long hint)
return hint;
}
-static inline int mlock_future_check(struct mm_struct *mm,
- unsigned long flags,
- unsigned long len)
+int mlock_future_check(struct mm_struct *mm, unsigned long flags,
+ unsigned long len)
{
unsigned long locked, lock_limit;
--
2.28.0
