Add new mm flag, MMF_MSHARE.
Signed-off-by: Anthony Yznaga <anthony.yznaga@xxxxxxxxxx>
---
include/linux/mm_types.h | 2 ++
mm/mshare.c | 1 +
2 files changed, 3 insertions(+)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index da5a7a31a81d..4586a3f384f1 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1847,6 +1847,8 @@ enum {
#define MMF_TOPDOWN 31 /* mm searches top down by default */
#define MMF_TOPDOWN_MASK _BITUL(MMF_TOPDOWN)
+#define MMF_MSHARE 32 /* mm is an mshare host mm */
+
#define MMF_INIT_LEGACY_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
MMF_DISABLE_THP_MASK | MMF_HAS_MDWE_MASK |\
MMF_VM_MERGE_ANY_MASK | MMF_TOPDOWN_MASK)
diff --git a/mm/mshare.c b/mm/mshare.c
index ddcf7bb2e956..22e2aedb74d3 100644
--- a/mm/mshare.c
+++ b/mm/mshare.c
@@ -578,6 +578,7 @@ msharefs_fill_mm(struct inode *inode)
if (!mm)
return -ENOMEM;
+ mm_flags_set(MMF_MSHARE, mm);
mm->mmap_base = mshare_base;
mm->task_size = 0;
--
2.47.1
