Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
mm: add stubs for PFNMAP memory failure registration functions
Add stubs to address CONFIG_MEMORY_FAILURE disabled.
Suggested-by: Alex Williamson <alex@shazbot.org>
Signed-off-by: Ankit Agrawal <ankita@nvidia.com>
Link: https://lore.kernel.org/r/20260115202849.2921-2-ankita@nvidia.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
authored by
Ankit Agrawal
and committed by
Alex Williamson
205e6d17
1c588bca
+11
-2
+11
-2
include/linux/memory-failure.h
+11
-2
include/linux/memory-failure.h
···
4
4
5
5
#include <linux/interval_tree.h>
6
6
7
-
struct pfn_address_space;
8
-
9
7
struct pfn_address_space {
10
8
struct interval_tree_node node;
11
9
struct address_space *mapping;
···
11
13
unsigned long pfn, pgoff_t *pgoff);
12
14
};
13
15
16
+
#ifdef CONFIG_MEMORY_FAILURE
14
17
int register_pfn_address_space(struct pfn_address_space *pfn_space);
15
18
void unregister_pfn_address_space(struct pfn_address_space *pfn_space);
19
+
#else
20
+
static inline int register_pfn_address_space(struct pfn_address_space *pfn_space)
21
+
{
22
+
return -EOPNOTSUPP;
23
+
}
24
+
25
+
static inline void unregister_pfn_address_space(struct pfn_address_space *pfn_space)
26
+
{
27
+
}
28
+
#endif /* CONFIG_MEMORY_FAILURE */
16
29
17
30
#endif /* _LINUX_MEMORY_FAILURE_H */