diff options
| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-04 17:11:43 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-04 17:11:43 +0300 |
| commit | 7ca0ef3da09888b303991edb80cd0283ee641c9e (patch) | |
| tree | 6a512eabb960e1049f1365cb0cbcdf67b04d67b8 /mm/page_vma_mapped.c | |
| parent | c3d4fb0fb41f4b5eafeee51173c14e50be12f839 (diff) | |
| parent | a71c9a1c779f2499fb2afc0553e543f18aff6edf (diff) | |
| download | linux-7ca0ef3da09888b303991edb80cd0283ee641c9e.tar.xz | |
Merge tag 'v4.11-rc5' into patchwork
Linux 4.11-rc5
* tag 'v4.11-rc5': (1168 commits)
Linux 4.11-rc5
tty: pl011: fix earlycon work-around for QDF2400 erratum 44
kasan: do not sanitize kexec purgatory
drivers/rapidio/devices/tsi721.c: make module parameter variable name unique
mm/hugetlb.c: don't call region_abort if region_chg fails
kasan: report only the first error by default
hugetlbfs: initialize shared policy as part of inode allocation
mm: fix section name for .data..ro_after_init
mm, hugetlb: use pte_present() instead of pmd_present() in follow_huge_pmd()
mm: workingset: fix premature shadow node shrinking with cgroups
mm: rmap: fix huge file mmap accounting in the memcg stats
mm: move mm_percpu_wq initialization earlier
mm: migrate: fix remove_migration_pte() for ksm pages
nfs: flexfiles: fix kernel OOPS if MDS returns unsupported DS type
NFSv4.1 fix infinite loop on IO BAD_STATEID error
serial: 8250_EXAR: fix duplicate Kconfig text and add missing help text
tty/serial: atmel: fix TX path in atmel_console_write()
tty/serial: atmel: fix race condition (TX+DMA)
serial: mxs-auart: Fix baudrate calculation
irqchip/mips-gic: Fix Local compare interrupt
...
Diffstat (limited to 'mm/page_vma_mapped.c')
| -rw-r--r-- | mm/page_vma_mapped.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index a23001a22c15..c4c9def8ffea 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -104,6 +104,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) struct mm_struct *mm = pvmw->vma->vm_mm; struct page *page = pvmw->page; pgd_t *pgd; + p4d_t *p4d; pud_t *pud; /* The only possible pmd mapping has been handled on last iteration */ @@ -133,7 +134,10 @@ restart: pgd = pgd_offset(mm, pvmw->address); if (!pgd_present(*pgd)) return false; - pud = pud_offset(pgd, pvmw->address); + p4d = p4d_offset(pgd, pvmw->address); + if (!p4d_present(*p4d)) + return false; + pud = pud_offset(p4d, pvmw->address); if (!pud_present(*pud)) return false; pvmw->pmd = pmd_offset(pud, pvmw->address); |