[PATCH v15 02/11] mmap: make mlock_future_check() global
Mike Rapoport
rppt at kernel.org
Wed Jan 20 13:06:03 EST 2021
From: Mike Rapoport <rppt at linux.ibm.com>
It will be used by the upcoming secret memory implementation.
Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>
Cc: Alexander Viro <viro at zeniv.linux.org.uk>
Cc: Andy Lutomirski <luto at kernel.org>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Borislav Petkov <bp at alien8.de>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Christopher Lameter <cl at linux.com>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Dave Hansen <dave.hansen at linux.intel.com>
Cc: David Hildenbrand <david at redhat.com>
Cc: Elena Reshetova <elena.reshetova at intel.com>
Cc: Hagen Paul Pfeifer <hagen at jauu.net>
Cc: "H. Peter Anvin" <hpa at zytor.com>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: James Bottomley <jejb at linux.ibm.com>
Cc: "Kirill A. Shutemov" <kirill at shutemov.name>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Matthew Wilcox <willy at infradead.org>
Cc: Michael Kerrisk <mtk.manpages at gmail.com>
Cc: Palmer Dabbelt <palmer at dabbelt.com>
Cc: Palmer Dabbelt <palmerdabbelt at google.com>
Cc: Paul Walmsley <paul.walmsley at sifive.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Rick Edgecombe <rick.p.edgecombe at intel.com>
Cc: Roman Gushchin <guro at fb.com>
Cc: Shakeel Butt <shakeelb at google.com>
Cc: Shuah Khan <shuah at kernel.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Tycho Andersen <tycho at tycho.ws>
Cc: Will Deacon <will at 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
More information about the linux-riscv
mailing list