dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

mm/mprotect.c: coding-style cleanups 

A few gremlins have recently crept in.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2012-12-18 14:23:17 -08:00 committed by Linus Torvalds
parent 5bbe1ec11f
commit 7d12efaea7
1 changed files with 16 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
mm/mprotect.c
View File

@ -114,7 +114,7 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
#ifdef CONFIG_NUMA_BALANCING
static inline void change_pmd_protnuma(struct mm_struct *mm, unsigned long addr,
pmd_t *pmd)
pmd_t *pmd)
{
spin_lock(&mm->page_table_lock);
set_pmd_at(mm, addr & PMD_MASK, pmd, pmd_mknuma(*pmd));
@ -122,15 +122,15 @@ static inline void change_pmd_protnuma(struct mm_struct *mm, unsigned long addr,
}
#else
static inline void change_pmd_protnuma(struct mm_struct *mm, unsigned long addr,
pmd_t *pmd)
pmd_t *pmd)
{
BUG();
}
#endif /* CONFIG_NUMA_BALANCING */
static inline unsigned long change_pmd_range(struct vm_area_struct *vma, pud_t *pud,
unsigned long addr, unsigned long end, pgprot_t newprot,
int dirty_accountable, int prot_numa)
static inline unsigned long change_pmd_range(struct vm_area_struct *vma,
pud_t *pud, unsigned long addr, unsigned long end,
pgprot_t newprot, int dirty_accountable, int prot_numa)
{
pmd_t *pmd;
unsigned long next;
@ -143,7 +143,8 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, pud_t *
if (pmd_trans_huge(*pmd)) {
if (next - addr != HPAGE_PMD_SIZE)
split_huge_page_pmd(vma, addr, pmd);
else if (change_huge_pmd(vma, pmd, addr, newprot, prot_numa)) {
else if (change_huge_pmd(vma, pmd, addr, newprot,
prot_numa)) {
pages += HPAGE_PMD_NR;
continue;
}
@ -167,9 +168,9 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, pud_t *
return pages;
}
static inline unsigned long change_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
unsigned long addr, unsigned long end, pgprot_t newprot,
int dirty_accountable, int prot_numa)
static inline unsigned long change_pud_range(struct vm_area_struct *vma,
pgd_t *pgd, unsigned long addr, unsigned long end,
pgprot_t newprot, int dirty_accountable, int prot_numa)
{
pud_t *pud;
unsigned long next;
@ -304,7 +305,8 @@ success:
dirty_accountable = 1;
}
change_protection(vma, start, end, vma->vm_page_prot, dirty_accountable, 0);
change_protection(vma, start, end, vma->vm_page_prot,
dirty_accountable, 0);
vm_stat_account(mm, oldflags, vma->vm_file, -nrpages);
vm_stat_account(mm, newflags, vma->vm_file, nrpages);
@ -361,8 +363,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
error = -EINVAL;
if (!(vma->vm_flags & VM_GROWSDOWN))
goto out;
}
else {
} else {
if (vma->vm_start > start)
goto out;
if (unlikely(grows & PROT_GROWSUP)) {
@ -378,9 +379,10 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
for (nstart = start ; ; ) {
unsigned long newflags;
/* Here we know that vma->vm_start <= nstart < vma->vm_end. */
/* Here we know that vma->vm_start <= nstart < vma->vm_end. */
newflags = vm_flags | (vma->vm_flags & ~(VM_READ | VM_WRITE | VM_EXEC));
newflags = vm_flags;
newflags |= (vma->vm_flags & ~(VM_READ | VM_WRITE | VM_EXEC));
/* newflags >> 4 shift VM_MAY% in place of VM_% */
if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) {