diff options
Diffstat (limited to 'pkg/sentry/mm/pma.go')
| -rw-r--r-- | pkg/sentry/mm/pma.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/pkg/sentry/mm/pma.go b/pkg/sentry/mm/pma.go index d102035d8..bb779a45b 100644 --- a/pkg/sentry/mm/pma.go +++ b/pkg/sentry/mm/pma.go @@ -328,8 +328,8 @@ func (mm *MemoryManager) insertPMAsLocked(ctx context.Context, vseg vmaIterator, // Limit the range we allocate to ar, aligned to privateAllocUnit. maskAR := privateAligned(ar) allocAR := optAR.Intersect(maskAR) - mem := mm.p.Memory() - fr, err := mem.Allocate(uint64(allocAR.Length()), usage.Anonymous) + mf := mm.mfp.MemoryFile() + fr, err := mf.Allocate(uint64(allocAR.Length()), usage.Anonymous) if err != nil { return pgap, err } @@ -342,10 +342,10 @@ func (mm *MemoryManager) insertPMAsLocked(ctx context.Context, vseg vmaIterator, } mm.addRSSLocked(allocAR) - mem.IncRef(fr) + mf.IncRef(fr) return mm.pmas.Insert(pgap, allocAR, pma{ - file: mem, + file: mf, off: fr.Start, vmaEffectivePerms: vma.effectivePerms, vmaMaxPerms: vma.maxPerms, @@ -426,7 +426,7 @@ func (mm *MemoryManager) breakCopyOnWriteLocked(pseg pmaIterator, ar usermem.Add // Limit the range we copy to ar, aligned to privateAllocUnit. maskAR := privateAligned(ar) var invalidatedIterators, didUnmapAS bool - mem := mm.p.Memory() + mf := mm.mfp.MemoryFile() for { if mm.isPMACopyOnWriteLocked(pseg) { // Determine the range to copy. @@ -438,7 +438,7 @@ func (mm *MemoryManager) breakCopyOnWriteLocked(pseg pmaIterator, ar usermem.Add } // Copy contents. - fr, err := platform.AllocateAndFill(mem, uint64(copyAR.Length()), usage.Anonymous, &safemem.BlockSeqReader{mm.internalMappingsLocked(pseg, copyAR)}) + fr, err := mf.AllocateAndFill(uint64(copyAR.Length()), usage.Anonymous, &safemem.BlockSeqReader{mm.internalMappingsLocked(pseg, copyAR)}) if _, ok := err.(safecopy.BusError); ok { // If we got SIGBUS during the copy, deliver SIGBUS to // userspace (instead of SIGSEGV) if we're breaking @@ -449,7 +449,7 @@ func (mm *MemoryManager) breakCopyOnWriteLocked(pseg pmaIterator, ar usermem.Add return pseg.PrevGap(), invalidatedIterators, err } mm.incPrivateRef(fr) - mem.IncRef(fr) + mf.IncRef(fr) // Unmap all of maskAR, not just copyAR, to minimize host syscalls. // AddressSpace mappings must be removed before mm.decPrivateRef(). @@ -471,7 +471,7 @@ func (mm *MemoryManager) breakCopyOnWriteLocked(pseg pmaIterator, ar usermem.Add } pma.file.DecRef(pseg.fileRange()) - pma.file = mem + pma.file = mf pma.off = fr.Start pma.private = true pma.needCOW = false @@ -881,9 +881,9 @@ func (mm *MemoryManager) decPrivateRef(fr platform.FileRange) { refSet.MergeAdjacent(fr) mm.privateRefs.mu.Unlock() - mem := mm.p.Memory() + mf := mm.mfp.MemoryFile() for _, fr := range freed { - mem.DecRef(fr) + mf.DecRef(fr) } } |