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Diffstat (limited to 'pkg/sentry/mm/pma.go')
-rw-r--r--pkg/sentry/mm/pma.go25
1 files changed, 12 insertions, 13 deletions
diff --git a/pkg/sentry/mm/pma.go b/pkg/sentry/mm/pma.go
index 62e4c20af..930ec895f 100644
--- a/pkg/sentry/mm/pma.go
+++ b/pkg/sentry/mm/pma.go
@@ -21,7 +21,6 @@ import (
"gvisor.dev/gvisor/pkg/safecopy"
"gvisor.dev/gvisor/pkg/safemem"
"gvisor.dev/gvisor/pkg/sentry/memmap"
- "gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sentry/usage"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/usermem"
@@ -604,7 +603,7 @@ func (mm *MemoryManager) invalidateLocked(ar usermem.AddrRange, invalidatePrivat
}
}
-// Pin returns the platform.File ranges currently mapped by addresses in ar in
+// Pin returns the memmap.File ranges currently mapped by addresses in ar in
// mm, acquiring a reference on the returned ranges which the caller must
// release by calling Unpin. If not all addresses are mapped, Pin returns a
// non-nil error. Note that Pin may return both a non-empty slice of
@@ -674,15 +673,15 @@ type PinnedRange struct {
Source usermem.AddrRange
// File is the mapped file.
- File platform.File
+ File memmap.File
// Offset is the offset into File at which this PinnedRange begins.
Offset uint64
}
-// FileRange returns the platform.File offsets mapped by pr.
-func (pr PinnedRange) FileRange() platform.FileRange {
- return platform.FileRange{pr.Offset, pr.Offset + uint64(pr.Source.Length())}
+// FileRange returns the memmap.File offsets mapped by pr.
+func (pr PinnedRange) FileRange() memmap.FileRange {
+ return memmap.FileRange{pr.Offset, pr.Offset + uint64(pr.Source.Length())}
}
// Unpin releases the reference held by prs.
@@ -857,7 +856,7 @@ func (mm *MemoryManager) vecInternalMappingsLocked(ars usermem.AddrRangeSeq) saf
}
// incPrivateRef acquires a reference on private pages in fr.
-func (mm *MemoryManager) incPrivateRef(fr platform.FileRange) {
+func (mm *MemoryManager) incPrivateRef(fr memmap.FileRange) {
mm.privateRefs.mu.Lock()
defer mm.privateRefs.mu.Unlock()
refSet := &mm.privateRefs.refs
@@ -878,8 +877,8 @@ func (mm *MemoryManager) incPrivateRef(fr platform.FileRange) {
}
// decPrivateRef releases a reference on private pages in fr.
-func (mm *MemoryManager) decPrivateRef(fr platform.FileRange) {
- var freed []platform.FileRange
+func (mm *MemoryManager) decPrivateRef(fr memmap.FileRange) {
+ var freed []memmap.FileRange
mm.privateRefs.mu.Lock()
refSet := &mm.privateRefs.refs
@@ -951,7 +950,7 @@ func (pmaSetFunctions) Merge(ar1 usermem.AddrRange, pma1 pma, ar2 usermem.AddrRa
// Discard internal mappings instead of trying to merge them, since merging
// them requires an allocation and getting them again from the
- // platform.File might not.
+ // memmap.File might not.
pma1.internalMappings = safemem.BlockSeq{}
return pma1, true
}
@@ -1012,12 +1011,12 @@ func (pseg pmaIterator) getInternalMappingsLocked() error {
return nil
}
-func (pseg pmaIterator) fileRange() platform.FileRange {
+func (pseg pmaIterator) fileRange() memmap.FileRange {
return pseg.fileRangeOf(pseg.Range())
}
// Preconditions: pseg.Range().IsSupersetOf(ar). ar.Length != 0.
-func (pseg pmaIterator) fileRangeOf(ar usermem.AddrRange) platform.FileRange {
+func (pseg pmaIterator) fileRangeOf(ar usermem.AddrRange) memmap.FileRange {
if checkInvariants {
if !pseg.Ok() {
panic("terminal pma iterator")
@@ -1032,5 +1031,5 @@ func (pseg pmaIterator) fileRangeOf(ar usermem.AddrRange) platform.FileRange {
pma := pseg.ValuePtr()
pstart := pseg.Start()
- return platform.FileRange{pma.off + uint64(ar.Start-pstart), pma.off + uint64(ar.End-pstart)}
+ return memmap.FileRange{pma.off + uint64(ar.Start-pstart), pma.off + uint64(ar.End-pstart)}
}