From: Axel Rasmussen <axelrasmussen@google.com>
To: "Alexander Viro" <viro@zeniv.linux.org.uk>,
"Alexey Dobriyan" <adobriyan@gmail.com>,
"Andrea Arcangeli" <aarcange@redhat.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Anshuman Khandual" <anshuman.khandual@arm.com>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Chinwen Chang" <chinwen.chang@mediatek.com>,
"Huang Ying" <ying.huang@intel.com>,
"Ingo Molnar" <mingo@redhat.com>, "Jann Horn" <jannh@google.com>,
"Jerome Glisse" <jglisse@redhat.com>,
"Lokesh Gidra" <lokeshgidra@google.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Michal Koutný" <mkoutny@suse.com>,
"Michel Lespinasse" <walken@google.com>,
"Mike Kravetz" <mike.kravetz@oracle.com>,
"Mike Rapoport" <rppt@linux.vnet.ibm.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Peter Xu" <peterx@redhat.com>, "Shaohua Li" <shli@fb.com>,
"Shawn Anastasio" <shawn@anastas.io>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Steven Price" <steven.price@arm.com>,
"Vlastimil Babka" <vbabka@suse.cz>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, Adam Ruprecht <ruprecht@google.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Cannon Matthews <cannonmatthews@google.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
David Rientjes <rientjes@google.com>,
Mina Almasry <almasrymina@google.com>,
Oliver Upton <oupton@google.com>
Subject: [PATCH v5 03/10] mm/hugetlb: Move flush_hugetlb_tlb_range() into hugetlb.h
Date: Wed, 10 Feb 2021 13:21:53 -0800 [thread overview]
Message-ID: <20210210212200.1097784-4-axelrasmussen@google.com> (raw)
In-Reply-To: <20210210212200.1097784-1-axelrasmussen@google.com>
From: Peter Xu <peterx@redhat.com>
Prepare for it to be called outside of mm/hugetlb.c.
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
---
include/linux/hugetlb.h | 8 ++++++++
mm/hugetlb.c | 8 --------
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d971e7efd17d..d740c6fd19ae 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -1032,4 +1032,12 @@ static inline __init void hugetlb_cma_check(void)
bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
+#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
+/*
+ * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
+ * implement this.
+ */
+#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
+#endif
+
#endif /* _LINUX_HUGETLB_H */
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 5710286e1984..e41b77cf6cc2 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4927,14 +4927,6 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
return i ? i : err;
}
-#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
-/*
- * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
- * implement this.
- */
-#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
-#endif
-
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot)
{
--
2.30.0.478.g8a0d178c01-goog
next prev parent reply other threads:[~2021-02-10 21:25 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-10 21:21 [PATCH v5 00/10] userfaultfd: add minor fault handling Axel Rasmussen
2021-02-10 21:21 ` [PATCH v5 01/10] hugetlb: Pass vma into huge_pte_alloc() and huge_pmd_share() Axel Rasmussen
2021-02-11 23:59 ` Mike Kravetz
2021-02-10 21:21 ` [PATCH v5 02/10] hugetlb/userfaultfd: Forbid huge pmd sharing when uffd enabled Axel Rasmussen
2021-02-12 0:19 ` Mike Kravetz
2021-02-12 20:40 ` Peter Xu
2021-02-12 20:47 ` Axel Rasmussen
2021-02-12 21:27 ` Mike Kravetz
2021-02-10 21:21 ` Axel Rasmussen [this message]
2021-02-10 21:21 ` [PATCH v5 04/10] hugetlb/userfaultfd: Unshare all pmds for hugetlbfs when register wp Axel Rasmussen
2021-02-12 18:11 ` Mike Kravetz
2021-02-12 21:18 ` Peter Xu
2021-02-12 21:34 ` Mike Kravetz
2021-02-12 22:14 ` Peter Xu
2021-02-10 21:21 ` [PATCH v5 05/10] userfaultfd: add minor fault registration mode Axel Rasmussen
2021-02-11 19:28 ` Axel Rasmussen
2021-02-11 20:58 ` Axel Rasmussen
2021-02-12 22:21 ` Matthew Wilcox
2021-02-12 22:44 ` Peter Xu
2021-02-12 22:51 ` Axel Rasmussen
2021-02-12 23:01 ` Peter Xu
2021-02-12 19:17 ` Mike Kravetz
2021-02-12 19:33 ` Axel Rasmussen
2021-02-10 21:21 ` [PATCH v5 06/10] userfaultfd: disable huge PMD sharing for MINOR registered VMAs Axel Rasmussen
2021-02-10 21:21 ` [PATCH v5 07/10] userfaultfd: hugetlbfs: only compile UFFD helpers if config enabled Axel Rasmussen
2021-02-10 21:21 ` [PATCH v5 08/10] userfaultfd: add UFFDIO_CONTINUE ioctl Axel Rasmussen
2021-02-10 22:21 ` Axel Rasmussen
2021-02-10 21:21 ` [PATCH v5 09/10] userfaultfd: update documentation to describe minor fault handling Axel Rasmussen
2021-02-10 21:22 ` [PATCH v5 10/10] userfaultfd/selftests: add test exercising " Axel Rasmussen
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