6.12-stable review patch. If anyone has any objections, please let me know.
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From: Matthew Wilcox (Oracle) willy@infradead.org
[ Upstream commit 7f770e94d7936e8e35d4b4d5fa4618301b03ea33 ]
Check PGTY_slab instead of PG_slab.
Fixes: 4ffca5a96678 (mm: support only one page_type per page) Signed-off-by: Matthew Wilcox (Oracle) willy@infradead.org Tested-by: Roman Gushchin roman.gushchin@linux.dev Reviewed-by: Roman Gushchin roman.gushchin@linux.dev Reviewed-by: Harry Yoo harry.yoo@oracle.com Link: https://patch.msgid.link/20250611155916.2579160-11-willy@infradead.org Signed-off-by: Vlastimil Babka vbabka@suse.cz Signed-off-by: Sasha Levin sashal@kernel.org --- tools/cgroup/memcg_slabinfo.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/cgroup/memcg_slabinfo.py b/tools/cgroup/memcg_slabinfo.py index 270c28a0d098..6bf4bde77903 100644 --- a/tools/cgroup/memcg_slabinfo.py +++ b/tools/cgroup/memcg_slabinfo.py @@ -146,11 +146,11 @@ def detect_kernel_config():
def for_each_slab(prog): - PGSlab = ~prog.constant('PG_slab') + slabtype = prog.constant('PGTY_slab')
for page in for_each_page(prog): try: - if page.page_type.value_() == PGSlab: + if (page.page_type.value_() >> 24) == slabtype: yield cast('struct slab *', page) except FaultError: pass