mm: collapse security_vm_enough_memory() variants into a single function
Collapse security_vm_enough_memory() variants into a single function.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/mm/mmap.c b/mm/mmap.c
index 3f758c7..db05495 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1235,7 +1235,7 @@
*/
if (accountable_mapping(file, vm_flags)) {
charged = len >> PAGE_SHIFT;
- if (security_vm_enough_memory(charged))
+ if (security_vm_enough_memory_mm(mm, charged))
return -ENOMEM;
vm_flags |= VM_ACCOUNT;
}
@@ -2169,7 +2169,7 @@
if (mm->map_count > sysctl_max_map_count)
return -ENOMEM;
- if (security_vm_enough_memory(len >> PAGE_SHIFT))
+ if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT))
return -ENOMEM;
/* Can we just expand an old private anonymous mapping? */
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 5a688a2..9599fa2 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -168,7 +168,7 @@
if (!(oldflags & (VM_ACCOUNT|VM_WRITE|VM_HUGETLB|
VM_SHARED|VM_NORESERVE))) {
charged = nrpages;
- if (security_vm_enough_memory(charged))
+ if (security_vm_enough_memory_mm(mm, charged))
return -ENOMEM;
newflags |= VM_ACCOUNT;
}
diff --git a/mm/mremap.c b/mm/mremap.c
index 87bb839..db8d983 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -329,7 +329,7 @@
if (vma->vm_flags & VM_ACCOUNT) {
unsigned long charged = (new_len - old_len) >> PAGE_SHIFT;
- if (security_vm_enough_memory(charged))
+ if (security_vm_enough_memory_mm(mm, charged))
goto Efault;
*p = charged;
}
diff --git a/mm/shmem.c b/mm/shmem.c
index 269d049..d9c2939 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -127,7 +127,7 @@
static inline int shmem_acct_size(unsigned long flags, loff_t size)
{
return (flags & VM_NORESERVE) ?
- 0 : security_vm_enough_memory_kern(VM_ACCT(size));
+ 0 : security_vm_enough_memory_mm(current->mm, VM_ACCT(size));
}
static inline void shmem_unacct_size(unsigned long flags, loff_t size)
@@ -145,7 +145,7 @@
static inline int shmem_acct_block(unsigned long flags)
{
return (flags & VM_NORESERVE) ?
- security_vm_enough_memory_kern(VM_ACCT(PAGE_CACHE_SIZE)) : 0;
+ security_vm_enough_memory_mm(current->mm, VM_ACCT(PAGE_CACHE_SIZE)) : 0;
}
static inline void shmem_unacct_blocks(unsigned long flags, long pages)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index d999f09..f0d7929 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1563,6 +1563,8 @@
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ BUG_ON(!current->mm);
+
pathname = getname(specialfile);
err = PTR_ERR(pathname);
if (IS_ERR(pathname))
@@ -1590,7 +1592,7 @@
spin_unlock(&swap_lock);
goto out_dput;
}
- if (!security_vm_enough_memory(p->pages))
+ if (!security_vm_enough_memory_mm(current->mm, p->pages))
vm_unacct_memory(p->pages);
else {
err = -ENOMEM;