[RFC PATCH v3 34/37] mm/damon/core: report whether the page fault was for writing

SeongJae Park
2025-12-08T06:30:42Z

The page fault event reporting function can know if the access was for
writing or reading. Add the information to the report.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/mm/damon/core.c b/mm/damon/core.c
index 782af39ef0c0..e2fd17b83a92 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1732,6 +1732,7 @@ void damon_report_page_fault(struct vm_fault *vmf, bool huge_pmd)
.size = 1, /* todo: set appripriately */
.cpu = smp_processor_id(),
.tid = task_pid_vnr(current),
+ .is_write = vmf->flags & FAULT_FLAG_WRITE,
};

if (huge_pmd)
--
2.47.3