mm: fix 'ERROR: do not initialise globals to 0 or NULL' and coding style
Signed-off-by: Choi Gi-yong <yong@gnoy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
eb9a3c62a0
commit
ac7149045d
2 changed files with 7 additions and 12 deletions
|
@ -2898,8 +2898,7 @@ retry:
|
||||||
if (anon_rmap) {
|
if (anon_rmap) {
|
||||||
ClearPagePrivate(page);
|
ClearPagePrivate(page);
|
||||||
hugepage_add_new_anon_rmap(page, vma, address);
|
hugepage_add_new_anon_rmap(page, vma, address);
|
||||||
}
|
} else
|
||||||
else
|
|
||||||
page_dup_rmap(page);
|
page_dup_rmap(page);
|
||||||
new_pte = make_huge_pte(vma, page, ((vma->vm_flags & VM_WRITE)
|
new_pte = make_huge_pte(vma, page, ((vma->vm_flags & VM_WRITE)
|
||||||
&& (vma->vm_flags & VM_SHARED)));
|
&& (vma->vm_flags & VM_SHARED)));
|
||||||
|
|
16
mm/nommu.c
16
mm/nommu.c
|
@ -298,7 +298,7 @@ long vwrite(char *buf, char *addr, unsigned long count)
|
||||||
count = -(unsigned long) addr;
|
count = -(unsigned long) addr;
|
||||||
|
|
||||||
memcpy(addr, buf, count);
|
memcpy(addr, buf, count);
|
||||||
return(count);
|
return count;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
@ -1012,8 +1012,7 @@ static int validate_mmap_request(struct file *file,
|
||||||
|
|
||||||
/* we mustn't privatise shared mappings */
|
/* we mustn't privatise shared mappings */
|
||||||
capabilities &= ~BDI_CAP_MAP_COPY;
|
capabilities &= ~BDI_CAP_MAP_COPY;
|
||||||
}
|
} else {
|
||||||
else {
|
|
||||||
/* we're going to read the file into private memory we
|
/* we're going to read the file into private memory we
|
||||||
* allocate */
|
* allocate */
|
||||||
if (!(capabilities & BDI_CAP_MAP_COPY))
|
if (!(capabilities & BDI_CAP_MAP_COPY))
|
||||||
|
@ -1044,23 +1043,20 @@ static int validate_mmap_request(struct file *file,
|
||||||
if (file->f_path.mnt->mnt_flags & MNT_NOEXEC) {
|
if (file->f_path.mnt->mnt_flags & MNT_NOEXEC) {
|
||||||
if (prot & PROT_EXEC)
|
if (prot & PROT_EXEC)
|
||||||
return -EPERM;
|
return -EPERM;
|
||||||
}
|
} else if ((prot & PROT_READ) && !(prot & PROT_EXEC)) {
|
||||||
else if ((prot & PROT_READ) && !(prot & PROT_EXEC)) {
|
|
||||||
/* handle implication of PROT_EXEC by PROT_READ */
|
/* handle implication of PROT_EXEC by PROT_READ */
|
||||||
if (current->personality & READ_IMPLIES_EXEC) {
|
if (current->personality & READ_IMPLIES_EXEC) {
|
||||||
if (capabilities & BDI_CAP_EXEC_MAP)
|
if (capabilities & BDI_CAP_EXEC_MAP)
|
||||||
prot |= PROT_EXEC;
|
prot |= PROT_EXEC;
|
||||||
}
|
}
|
||||||
}
|
} else if ((prot & PROT_READ) &&
|
||||||
else if ((prot & PROT_READ) &&
|
|
||||||
(prot & PROT_EXEC) &&
|
(prot & PROT_EXEC) &&
|
||||||
!(capabilities & BDI_CAP_EXEC_MAP)
|
!(capabilities & BDI_CAP_EXEC_MAP)
|
||||||
) {
|
) {
|
||||||
/* backing file is not executable, try to copy */
|
/* backing file is not executable, try to copy */
|
||||||
capabilities &= ~BDI_CAP_MAP_DIRECT;
|
capabilities &= ~BDI_CAP_MAP_DIRECT;
|
||||||
}
|
}
|
||||||
}
|
} else {
|
||||||
else {
|
|
||||||
/* anonymous mappings are always memory backed and can be
|
/* anonymous mappings are always memory backed and can be
|
||||||
* privately mapped
|
* privately mapped
|
||||||
*/
|
*/
|
||||||
|
@ -1668,7 +1664,7 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
|
||||||
/* find the first potentially overlapping VMA */
|
/* find the first potentially overlapping VMA */
|
||||||
vma = find_vma(mm, start);
|
vma = find_vma(mm, start);
|
||||||
if (!vma) {
|
if (!vma) {
|
||||||
static int limit = 0;
|
static int limit;
|
||||||
if (limit < 5) {
|
if (limit < 5) {
|
||||||
printk(KERN_WARNING
|
printk(KERN_WARNING
|
||||||
"munmap of memory not mmapped by process %d"
|
"munmap of memory not mmapped by process %d"
|
||||||
|
|
Loading…
Add table
Reference in a new issue