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-rw-r--r--include/linux/mman.h2
-rw-r--r--mm/mmap.c2
-rw-r--r--mm/nommu.c2
3 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/mman.h b/include/linux/mman.h
index 629cefc4ecba..ebb09a964272 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -31,6 +31,8 @@
/*
* The historical set of flags that all mmap implementations implicitly
* support when a ->mmap_validate() op is not provided in file_operations.
+ *
+ * MAP_EXECUTABLE is completely ignored throughout the kernel.
*/
#define LEGACY_MAP_MASK (MAP_SHARED \
| MAP_PRIVATE \
diff --git a/mm/mmap.c b/mm/mmap.c
index 0584e540246e..f9a61f7dc540 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1633,7 +1633,7 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
return PTR_ERR(file);
}
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+ flags &= ~MAP_DENYWRITE;
retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
out_fput:
diff --git a/mm/nommu.c b/mm/nommu.c
index 85a3a68dffb6..affda71641ca 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1296,7 +1296,7 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
goto out;
}
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+ flags &= ~MAP_DENYWRITE;
retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);