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authorLinus Torvalds <torvalds@linux-foundation.org>2020-02-04 07:21:04 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2020-02-04 07:21:04 +0000
commit9717c1cea16e3eae81ca226f4c3670bb799b61ad (patch)
tree80137d0ab55ed25cce3d7ccb8dde8dc841ee7bdb /include/linux/mm_types.h
parent79703e014ba02ad86af4bcdf0c16e4b208cca406 (diff)
parentb45f1b3b585e195a7daead16d914e164310b1df6 (diff)
Merge tag 'drm-next-2020-02-04' of git://anongit.freedesktop.org/drm/drm
Pull drm ttm/mm updates from Dave Airlie: "Thomas Hellstrom has some more changes to the TTM layer that needed a patch to the mm subsystem. This adds a new mm API vmf_insert_mixed_prot to avoid an ugly hack that has limitations in the TTM layer" * tag 'drm-next-2020-02-04' of git://anongit.freedesktop.org/drm/drm: mm, drm/ttm: Fix vm page protection handling mm: Add a vmf_insert_mixed_prot() function
Diffstat (limited to 'include/linux/mm_types.h')
-rw-r--r--include/linux/mm_types.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index e87bb864bdb2..c28911c3afa8 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -312,7 +312,12 @@ struct vm_area_struct {
/* Second cache line starts here. */
struct mm_struct *vm_mm; /* The address space we belong to. */
- pgprot_t vm_page_prot; /* Access permissions of this VMA. */
+
+ /*
+ * Access permissions of this VMA.
+ * See vmf_insert_mixed_prot() for discussion.
+ */
+ pgprot_t vm_page_prot;
unsigned long vm_flags; /* Flags, see mm.h. */
/*