diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-09-09 12:05:37 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-09-09 12:05:37 -0400 |
| commit | 65320fcedaa7affd1736cd7aa51f5e70b5c7e7f2 (patch) | |
| tree | 2fb1bdf8a1139262dd13fa671055c7517cb3fffb /mm/fremap.c | |
| parent | c3f31f6a6f68bcb51689c90733282ec263602a9d (diff) | |
| parent | d8dfad3876e4386666b759da3c833d62fb8b2267 (diff) | |
Merge tag 'v3.11-rc7' into stable/for-linus-3.12
Linux 3.11-rc7
As we need the git commit 28817e9de4f039a1a8c1fe1df2fa2df524626b9e
Author: Chuck Anderson <chuck.anderson@oracle.com>
Date: Tue Aug 6 15:12:19 2013 -0700
xen/smp: initialize IPI vectors before marking CPU online
* tag 'v3.11-rc7': (443 commits)
Linux 3.11-rc7
ARC: [lib] strchr breakage in Big-endian configuration
VFS: collect_mounts() should return an ERR_PTR
bfs: iget_locked() doesn't return an ERR_PTR
efs: iget_locked() doesn't return an ERR_PTR()
proc: kill the extra proc_readfd_common()->dir_emit_dots()
cope with potentially long ->d_dname() output for shmem/hugetlb
usb: phy: fix build breakage
USB: OHCI: add missing PCI PM callbacks to ohci-pci.c
staging: comedi: bug-fix NULL pointer dereference on failed attach
lib/lz4: correct the LZ4 license
memcg: get rid of swapaccount leftovers
nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection
nilfs2: remove double bio_put() in nilfs_end_bio_write() for BIO_EOPNOTSUPP error
drivers/platform/olpc/olpc-ec.c: initialise earlier
ipv4: expose IPV4_DEVCONF
ipv6: handle Redirect ICMP Message with no Redirected Header option
be2net: fix disabling TX in be_close()
Revert "ACPI / video: Always call acpi_video_init_brightness() on init"
Revert "genetlink: fix family dump race"
...
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'mm/fremap.c')
| -rw-r--r-- | mm/fremap.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/fremap.c b/mm/fremap.c index 87da3590c61..5bff0814776 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -57,17 +57,22 @@ static int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long pgoff, pgprot_t prot) { int err = -ENOMEM; - pte_t *pte; + pte_t *pte, ptfile; spinlock_t *ptl; pte = get_locked_pte(mm, addr, &ptl); if (!pte) goto out; - if (!pte_none(*pte)) + ptfile = pgoff_to_pte(pgoff); + + if (!pte_none(*pte)) { + if (pte_present(*pte) && pte_soft_dirty(*pte)) + pte_file_mksoft_dirty(ptfile); zap_pte(mm, vma, addr, pte); + } - set_pte_at(mm, addr, pte, pgoff_to_pte(pgoff)); + set_pte_at(mm, addr, pte, ptfile); /* * We don't need to run update_mmu_cache() here because the "file pte" * being installed by install_file_pte() is not a real pte - it's a |