6.15-stable review patch. If anyone has any objections, please let me know.
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From: Zi Yan ziy@nvidia.com
commit 7563fcbfd484b347b776aeed4d7dac78b30884aa upstream.
PID_FMT does not have an offset field, so folio_split() tests are not performed. Add PID_FMT_OFFSET with an offset field and use it to perform folio_split() tests.
Link: https://lkml.kernel.org/r/20250709012800.3225727-1-ziy@nvidia.com Fixes: 80a5c494c89f ("selftests/mm: add tests for folio_split(), buddy allocator like split") Signed-off-by: Zi Yan ziy@nvidia.com Tested-by: Baolin Wang baolin.wang@linux.alibaba.com Reviewed-by: Lorenzo Stoakes lorenzo.stoakes@oracle.com Reviewed-by: Donet Tom donettom@linux.ibm.com Tested-by : Donet Tom donettom@linux.ibm.com Cc: Barry Song baohua@kernel.org Cc: David Hildenbrand david@redhat.com Cc: Dev Jain dev.jain@arm.com Cc: Liam Howlett liam.howlett@oracle.com Cc: Mariano Pache npache@redhat.com Cc: Ryan Roberts ryan.roberts@arm.com Cc: Shuah Khan shuah@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/mm/split_huge_page_test.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c index aa7400ed0e99..f0d9c035641d 100644 --- a/tools/testing/selftests/mm/split_huge_page_test.c +++ b/tools/testing/selftests/mm/split_huge_page_test.c @@ -31,6 +31,7 @@ uint64_t pmd_pagesize; #define INPUT_MAX 80
#define PID_FMT "%d,0x%lx,0x%lx,%d" +#define PID_FMT_OFFSET "%d,0x%lx,0x%lx,%d,%d" #define PATH_FMT "%s,0x%lx,0x%lx,%d"
#define PFN_MASK ((1UL<<55)-1) @@ -483,7 +484,7 @@ void split_thp_in_pagecache_to_order_at(size_t fd_size, const char *fs_loc, write_debugfs(PID_FMT, getpid(), (uint64_t)addr, (uint64_t)addr + fd_size, order); else - write_debugfs(PID_FMT, getpid(), (uint64_t)addr, + write_debugfs(PID_FMT_OFFSET, getpid(), (uint64_t)addr, (uint64_t)addr + fd_size, order, offset);
for (i = 0; i < fd_size; i++)