diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/trace/events/mmflags.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index df9f258a017c..36b9418c00fc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -271,6 +271,8 @@ extern struct rw_semaphore nommu_region_sem; extern unsigned int kobjsize(const void *objp); #endif +#define VM_MAYBE_GUARD_BIT 11 + /* * vm_flags in vm_area_struct, see mm_types.h. * When changing, update also include/trace/events/mmflags.h @@ -296,6 +298,7 @@ extern unsigned int kobjsize(const void *objp); #define VM_UFFD_MISSING 0 #endif /* CONFIG_MMU */ #define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */ +#define VM_MAYBE_GUARD BIT(VM_MAYBE_GUARD_BIT) /* The VMA maybe contains guard regions. */ #define VM_UFFD_WP 0x00001000 /* wrprotect pages tracking */ #define VM_LOCKED 0x00002000 diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h index aa441f593e9a..a6e5a44c9b42 100644 --- a/include/trace/events/mmflags.h +++ b/include/trace/events/mmflags.h @@ -213,6 +213,7 @@ IF_HAVE_PG_ARCH_3(arch_3) {VM_UFFD_MISSING, "uffd_missing" }, \ IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \ {VM_PFNMAP, "pfnmap" }, \ + {VM_MAYBE_GUARD, "maybe_guard" }, \ {VM_UFFD_WP, "uffd_wp" }, \ {VM_LOCKED, "locked" }, \ {VM_IO, "io" }, \ |