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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


  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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