On 6/12/26 6:32 PM, Nico Pache wrote:
On 6/10/26 4:29 AM, Baolin Wang wrote:
To support checking for various sized mTHPs during mTHP collapse, extend the
check_huge() function prototype to accept two new parameters specifying the
address range and mTHP size, in preparation for the following patches.
No functional changes.
Signed-off-by: Baolin Wang <[email protected]>
---
.../selftests/mm/folio_split_race_test.c | 2 +-
tools/testing/selftests/mm/khugepaged.c | 66 ++++++++++---------
.../testing/selftests/mm/prctl_thp_disable.c | 2 +-
tools/testing/selftests/mm/soft-dirty.c | 2 +-
.../selftests/mm/split_huge_page_test.c | 14 ++--
tools/testing/selftests/mm/uffd-common.c | 4 +-
tools/testing/selftests/mm/vm_util.c | 6 +-
tools/testing/selftests/mm/vm_util.h | 6 +-
8 files changed, 55 insertions(+), 47 deletions(-)
[snip]
diff --git a/tools/testing/selftests/mm/vm_util.c
b/tools/testing/selftests/mm/vm_util.c
index 311fc5b4513e..b43adfa92116 100644
--- a/tools/testing/selftests/mm/vm_util.c
+++ b/tools/testing/selftests/mm/vm_util.c
@@ -247,17 +247,17 @@ bool __check_huge(void *addr, char *pattern, int
nr_hpages,
return thp == (nr_hpages * (hpage_size >> 10));
}
-bool check_huge_anon(void *addr, int nr_hpages, uint64_t hpage_size)
+bool check_huge_anon(void *addr, unsigned long size, int nr_hpages, uint64_t
hpage_size)
Whats the purpose of adding 'size' here?
{
return __check_huge(addr, "AnonHugePages: ", nr_hpages, hpage_size);
}
-bool check_huge_file(void *addr, int nr_hpages, uint64_t hpage_size)
+bool check_huge_file(void *addr, unsigned long size, int nr_hpages, uint64_t
hpage_size)
{
return __check_huge(addr, "FilePmdMapped:", nr_hpages, hpage_size);
Same?
}
-bool check_huge_shmem(void *addr, int nr_hpages, uint64_t hpage_size)
+bool check_huge_shmem(void *addr, unsigned long size, int nr_hpages, uint64_t
hpage_size)
{
return __check_huge(addr, "ShmemPmdMapped:", nr_hpages, hpage_size);
And here?
Perhaps I find out in the next patch :)
This is to specify the address range, so that when calling
gather_folio_orders(), it can count the number of hugepages within that
range.
