diff options
| author | David Hildenbrand <david@redhat.com> | 2022-09-27 14:01:15 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-09 04:37:14 +0300 |
| commit | a905e82ae44b22a25ea73415a3ec1228775eb9a9 (patch) | |
| tree | 13206969ad236ef41a9ca5757b66a92a61923783 /tools | |
| parent | 69c66add566395eaf4c08cb5975b45dec70dbe85 (diff) | |
| download | linux-a905e82ae44b22a25ea73415a3ec1228775eb9a9.tar.xz | |
selftests/vm: factor out pagemap_is_populated() into vm_util
We'll reuse it in the anon_cow test next.
Link: https://lkml.kernel.org/r/20220927110120.106906-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Christoph von Recklinghausen <crecklin@redhat.com>
Cc: Don Dutile <ddutile@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nadav Amit <namit@vmware.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/vm/madv_populate.c | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/vm/vm_util.c | 8 | ||||
| -rw-r--r-- | 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 37dd230673ee..5bbf7641a0f0 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 833df81b2694..80d5a6ad413b 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); bool check_for_pattern(FILE *fp, const char *pattern, char *buf, size_t len); uint64_t read_pmd_pagesize(void); |