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From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
	David Hildenbrand <david@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Shuah Khan <shuah@kernel.org>, Jason Gunthorpe <jgg@nvidia.com>,
	John Hubbard <jhubbard@nvidia.com>, Nadav Amit <namit@vmware.com>,
	Peter Xu <peterx@redhat.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
	Christoph von Recklinghausen <crecklin@redhat.com>,
	Don Dutile <ddutile@redhat.com>
Subject: [PATCH v1 2/7] selftests/vm: factor out pagemap_is_populated() into vm_util
Date: Tue, 27 Sep 2022 13:01:15 +0200	[thread overview]
Message-ID: <20220927110120.106906-3-david@redhat.com> (raw)
In-Reply-To: <20220927110120.106906-1-david@redhat.com>

We'll reuse it in the anon_cow test next.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 tools/testing/selftests/vm/madv_populate.c | 8 --------
 tools/testing/selftests/vm/vm_util.c       | 8 ++++++++
 tools/testing/selftests/vm/vm_util.h       | 1 +
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/tools/testing/selftests/vm/madv_populate.c b/tools/testing/selftests/vm/madv_populate.c
index 715a42e8e2cd..60547245e479 100644
--- a/tools/testing/selftests/vm/madv_populate.c
+++ b/tools/testing/selftests/vm/madv_populate.c
@@ -27,14 +27,6 @@
 
 static size_t pagesize;
 
-static bool pagemap_is_populated(int fd, char *start)
-{
-	uint64_t entry = pagemap_get_entry(fd, start);
-
-	/* Present or swapped. */
-	return entry & 0xc000000000000000ull;
-}
-
 static void sense_support(void)
 {
 	char *addr;
diff --git a/tools/testing/selftests/vm/vm_util.c b/tools/testing/selftests/vm/vm_util.c
index 6456027e1985..d37dbabeb875 100644
--- a/tools/testing/selftests/vm/vm_util.c
+++ b/tools/testing/selftests/vm/vm_util.c
@@ -35,6 +35,14 @@ bool pagemap_is_swapped(int fd, char *start)
 	return entry & 0x4000000000000000ull;
 }
 
+bool pagemap_is_populated(int fd, char *start)
+{
+	uint64_t entry = pagemap_get_entry(fd, start);
+
+	/* Present or swapped. */
+	return entry & 0xc000000000000000ull;
+}
+
 void clear_softdirty(void)
 {
 	int ret;
diff --git a/tools/testing/selftests/vm/vm_util.h b/tools/testing/selftests/vm/vm_util.h
index bb8ec8d69623..691d063e79cc 100644
--- a/tools/testing/selftests/vm/vm_util.h
+++ b/tools/testing/selftests/vm/vm_util.h
@@ -5,6 +5,7 @@
 uint64_t pagemap_get_entry(int fd, char *start);
 bool pagemap_is_softdirty(int fd, char *start);
 bool pagemap_is_swapped(int fd, char *start);
+bool pagemap_is_populated(int fd, char *start);
 void clear_softdirty(void);
 uint64_t read_pmd_pagesize(void);
 uint64_t check_huge(void *addr);
-- 
2.37.3


  parent reply	other threads:[~2022-09-27 11:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-27 11:01 [PATCH v1 0/7] selftests/vm: test COW handling of anonymous memory David Hildenbrand
2022-09-27 11:01 ` [PATCH v1 1/7] selftests/vm: anon_cow: " David Hildenbrand
2022-10-24 16:57   ` Rafael Mendonca
2022-10-25  7:05     ` David Hildenbrand
2022-10-25  7:07   ` David Hildenbrand
2022-09-27 11:01 ` David Hildenbrand [this message]
2022-09-27 11:01 ` [PATCH v1 3/7] selftests/vm: anon_cow: THP tests David Hildenbrand
2022-09-27 11:01 ` [PATCH v1 4/7] selftests/vm: anon_cow: hugetlb tests David Hildenbrand
2022-09-27 11:01 ` [PATCH v1 5/7] selftests/vm: anon_cow: add liburing test cases David Hildenbrand
2022-10-25  7:10   ` David Hildenbrand
2022-09-27 11:01 ` [PATCH v1 6/7] mm/gup_test: start/stop/read functionality for PIN LONGTERM test David Hildenbrand
2022-09-27 11:01 ` [PATCH v1 7/7] selftests/vm: anon_cow: add R/O longterm tests via gup_test David Hildenbrand
2022-10-19 12:31   ` David Hildenbrand
2022-10-19 12:33     ` David Hildenbrand

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