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authorDavid Hildenbrand <david@redhat.com>2021-04-22 12:08:20 +0200
committerDavid Hildenbrand <david@redhat.com>2021-09-03 18:42:01 +0200
commit8d0920bde5eb8ec7e567939b85e65a0596c8580d (patch)
treecdba733cd679ff5527daab0e8303a4da97adec4b /include
parent4589ff7ca81516381393649dec8dd4948884b2b2 (diff)
mm: remove VM_DENYWRITE
All in-tree users of MAP_DENYWRITE are gone. MAP_DENYWRITE cannot be set from user space, so all users are gone; let's remove it. Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mm.h1
-rw-r--r--include/linux/mman.h1
-rw-r--r--include/trace/events/mmflags.h1
3 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 56b1cd41db61..257995f62e83 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -281,7 +281,6 @@ extern unsigned int kobjsize(const void *objp);
#define VM_GROWSDOWN 0x00000100 /* general info on the segment */
#define VM_UFFD_MISSING 0x00000200 /* missing pages tracking */
#define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */
-#define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */
#define VM_UFFD_WP 0x00001000 /* wrprotect pages tracking */
#define VM_LOCKED 0x00002000
diff --git a/include/linux/mman.h b/include/linux/mman.h
index ebb09a964272..bd9aadda047b 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -153,7 +153,6 @@ static inline unsigned long
calc_vm_flag_bits(unsigned long flags)
{
return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) |
- _calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) |
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) |
_calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
arch_calc_vm_flag_bits(flags);
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index f160484afc5c..0b53e855c4ac 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -165,7 +165,6 @@ IF_HAVE_PG_SKIP_KASAN_POISON(PG_skip_kasan_poison, "skip_kasan_poison")
{VM_UFFD_MISSING, "uffd_missing" }, \
IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \
{VM_PFNMAP, "pfnmap" }, \
- {VM_DENYWRITE, "denywrite" }, \
{VM_UFFD_WP, "uffd_wp" }, \
{VM_LOCKED, "locked" }, \
{VM_IO, "io" }, \