diff options
author | Zach Koopmans <zkoopmans@google.com> | 2021-03-29 13:28:32 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2021-03-29 13:30:21 -0700 |
commit | 8a2f7e716dcc62f04d2808e8ade34941c94fc956 (patch) | |
tree | b2195d5728dcbc4f4e59c23ad95d7486ef744371 /pkg/sentry/mm/shm.go | |
parent | b125afba416ebeba906ea595a44a55afe4729d64 (diff) |
[syserror] Split usermem package
Split usermem package to help remove syserror dependency in go_marshal.
New hostarch package contains code not dependent on syserror.
PiperOrigin-RevId: 365651233
Diffstat (limited to 'pkg/sentry/mm/shm.go')
-rw-r--r-- | pkg/sentry/mm/shm.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/pkg/sentry/mm/shm.go b/pkg/sentry/mm/shm.go index 6432731d4..3130be80c 100644 --- a/pkg/sentry/mm/shm.go +++ b/pkg/sentry/mm/shm.go @@ -16,13 +16,13 @@ package mm import ( "gvisor.dev/gvisor/pkg/context" + "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/sentry/kernel/shm" "gvisor.dev/gvisor/pkg/syserror" - "gvisor.dev/gvisor/pkg/usermem" ) // DetachShm unmaps a sysv shared memory segment. -func (mm *MemoryManager) DetachShm(ctx context.Context, addr usermem.Addr) error { +func (mm *MemoryManager) DetachShm(ctx context.Context, addr hostarch.Addr) error { if addr != addr.RoundDown() { // "... shmaddr is not aligned on a page boundary." - man shmdt(2) return syserror.EINVAL @@ -52,7 +52,7 @@ func (mm *MemoryManager) DetachShm(ctx context.Context, addr usermem.Addr) error } // Remove all vmas that could have been created by the same attach. - end := addr + usermem.Addr(detached.EffectiveSize()) + end := addr + hostarch.Addr(detached.EffectiveSize()) for vseg.Ok() && vseg.End() <= end { vma := vseg.ValuePtr() if vma.mappable == detached && uint64(vseg.Start()-addr) == vma.off { |