The patch titled
Subject: selftests/vm: factor out pagemap_is_populated() into vm_util
has been added to the -mm mm-unstable branch. Its filename is
selftests-vm-factor-out-pagemap_is_populated-into-vm_util.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-vm-factor-out-pagemap_is_populated-into-vm_util.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: selftests/vm: factor out pagemap_is_populated() into vm_util
Date: Tue, 27 Sep 2022 13:01:15 +0200
We'll reuse it in the anon_cow test next.
Link: https://lkml.kernel.org/r/20220927110120.106906-3-david@xxxxxxxxxx
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Christoph von Recklinghausen <crecklin@xxxxxxxxxx>
Cc: Don Dutile <ddutile@xxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxx>
Cc: Nadav Amit <namit@xxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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(-)
--- a/tools/testing/selftests/vm/madv_populate.c~selftests-vm-factor-out-pagemap_is_populated-into-vm_util
+++ a/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;
--- a/tools/testing/selftests/vm/vm_util.c~selftests-vm-factor-out-pagemap_is_populated-into-vm_util
+++ a/tools/testing/selftests/vm/vm_util.c
@@ -35,6 +35,14 @@ bool pagemap_is_swapped(int fd, char *st
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;
--- a/tools/testing/selftests/vm/vm_util.h~selftests-vm-factor-out-pagemap_is_populated-into-vm_util
+++ a/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);
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
selftests-vm-add-test-to-measure-madv_unmergeable-performance.patch
mm-ksm-simplify-break_ksm-to-not-rely-on-vm_fault_write.patch
mm-remove-vm_fault_write.patch
mm-ksm-fix-ksm-cow-breaking-with-userfaultfd-wp-via-fault_flag_unshare.patch
mm-pagewalk-add-walk_page_range_vma.patch
mm-ksm-convert-break_ksm-to-use-walk_page_range_vma.patch
mm-gup-remove-foll_migration.patch
selftests-vm-anon_cow-test-cow-handling-of-anonymous-memory.patch
selftests-vm-factor-out-pagemap_is_populated-into-vm_util.patch
selftests-vm-anon_cow-thp-tests.patch
selftests-vm-anon_cow-hugetlb-tests.patch
selftests-vm-anon_cow-add-liburing-test-cases.patch
mm-gup_test-start-stop-read-functionality-for-pin-longterm-test.patch
selftests-vm-anon_cow-add-r-o-longterm-tests-via-gup_test.patch
