From: Mike Rapoport <rppt@kernel.org> To: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>, Catalin Marinas <catalin.marinas@arm.com>, Christopher Lameter <cl@linux.com>, Dan Williams <dan.j.williams@intel.com>, Dave Hansen <dave.hansen@linux.intel.com>, David Hildenbrand <david@redhat.com>, Elena Reshetova <elena.reshetova@intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, James Bottomley <jejb@linux.ibm.com>, "Kirill A. Shutemov" <kirill@shutemov.name>, Matthew Wilcox <willy@infradead.org>, Mark Rutland <mark.rutland@arm.com>, Mike Rapoport <rppt@linux.ibm.com>, Mike Rapoport <rppt@kernel.org>, Michael Kerrisk <mtk.manpages@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Paul Walmsley <paul.walmsley@sifive.com>, Peter Zijlstra <peterz@infradead.org>, Rick Edgecombe <rick.p.edgecombe@intel.com>, Roman Gushchin <guro@fb.com>, Shakeel Butt <shakeelb@google.com>, Shuah Khan <shuah@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: [PATCH v13 02/10] mmap: make mlock_future_check() global Date: Tue, 1 Dec 2020 09:45:51 +0200 Message-ID: <20201201074559.27742-3-rppt@kernel.org> (raw) In-Reply-To: <20201201074559.27742-1-rppt@kernel.org> From: Mike Rapoport <rppt@linux.ibm.com> It will be used by the upcoming secret memory implementation. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> --- 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 c43ccdddb0f6..ae146a260b14 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -348,6 +348,9 @@ 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 61f72b09d990..c481f088bd50 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1348,9 +1348,8 @@ 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
next prev parent reply index Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-01 7:45 [PATCH v13 00/10] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 01/10] mm: add definition of PMD_PAGE_ORDER Mike Rapoport 2020-12-01 7:45 ` Mike Rapoport [this message] 2020-12-01 7:45 ` [PATCH v13 03/10] set_memory: allow set_direct_map_*_noflush() for multiple pages Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 04/10] set_memory: allow querying whether set_direct_map_*() is actually enabled Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 05/10] mm: introduce memfd_secret system call to create "secret" memory areas Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 06/10] secretmem: use PMD-size pages to amortize direct map fragmentation Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 07/10] secretmem: add memcg accounting Mike Rapoport 2020-12-01 16:26 ` Shakeel Butt 2020-12-01 16:44 ` Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 08/10] PM: hibernate: disable when there are active secretmem users Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 09/10] arch, mm: wire up memfd_secret system call were relevant Mike Rapoport 2020-12-01 7:45 ` [PATCH v13 10/10] secretmem: test: add basic selftest for memfd_secret(2) Mike Rapoport
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