diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/mmap.c | 11 | ||||
-rw-r--r-- | mm/mprotect.c | 8 |
2 files changed, 0 insertions, 19 deletions
@@ -1076,17 +1076,6 @@ munmap_back: | |||
1076 | error = file->f_op->mmap(file, vma); | 1076 | error = file->f_op->mmap(file, vma); |
1077 | if (error) | 1077 | if (error) |
1078 | goto unmap_and_free_vma; | 1078 | goto unmap_and_free_vma; |
1079 | if ((vma->vm_flags & (VM_SHARED | VM_WRITE | VM_RESERVED)) | ||
1080 | == (VM_WRITE | VM_RESERVED)) { | ||
1081 | printk(KERN_WARNING "program %s is using MAP_PRIVATE, " | ||
1082 | "PROT_WRITE mmap of VM_RESERVED memory, which " | ||
1083 | "is deprecated. Please report this to " | ||
1084 | "linux-kernel@vger.kernel.org\n",current->comm); | ||
1085 | if (vma->vm_ops && vma->vm_ops->close) | ||
1086 | vma->vm_ops->close(vma); | ||
1087 | error = -EACCES; | ||
1088 | goto unmap_and_free_vma; | ||
1089 | } | ||
1090 | } else if (vm_flags & VM_SHARED) { | 1079 | } else if (vm_flags & VM_SHARED) { |
1091 | error = shmem_zero_setup(vma); | 1080 | error = shmem_zero_setup(vma); |
1092 | if (error) | 1081 | if (error) |
diff --git a/mm/mprotect.c b/mm/mprotect.c index 17a2b52b753b..653b8571c1ed 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c | |||
@@ -124,14 +124,6 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, | |||
124 | * a MAP_NORESERVE private mapping to writable will now reserve. | 124 | * a MAP_NORESERVE private mapping to writable will now reserve. |
125 | */ | 125 | */ |
126 | if (newflags & VM_WRITE) { | 126 | if (newflags & VM_WRITE) { |
127 | if (oldflags & VM_RESERVED) { | ||
128 | BUG_ON(oldflags & VM_WRITE); | ||
129 | printk(KERN_WARNING "program %s is using MAP_PRIVATE, " | ||
130 | "PROT_WRITE mprotect of VM_RESERVED memory, " | ||
131 | "which is deprecated. Please report this to " | ||
132 | "linux-kernel@vger.kernel.org\n",current->comm); | ||
133 | return -EACCES; | ||
134 | } | ||
135 | if (!(oldflags & (VM_ACCOUNT|VM_WRITE|VM_SHARED|VM_HUGETLB))) { | 127 | if (!(oldflags & (VM_ACCOUNT|VM_WRITE|VM_SHARED|VM_HUGETLB))) { |
136 | charged = nrpages; | 128 | charged = nrpages; |
137 | if (security_vm_enough_memory(charged)) | 129 | if (security_vm_enough_memory(charged)) |