diff options
Diffstat (limited to 'pkg/sentry/memmap/memmap.go')
| -rw-r--r-- | pkg/sentry/memmap/memmap.go | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/pkg/sentry/memmap/memmap.go b/pkg/sentry/memmap/memmap.go index cf20b11e3..28e2bed9b 100644 --- a/pkg/sentry/memmap/memmap.go +++ b/pkg/sentry/memmap/memmap.go @@ -243,40 +243,6 @@ type MappingIdentity interface { Msync(ctx context.Context, mr MappableRange) error } -// MLockMode specifies the memory locking behavior of a memory mapping. -type MLockMode int - -// Note that the ordering of MLockModes is significant; see -// mm.MemoryManager.defMLockMode. -const ( - // MLockNone specifies that a mapping has no memory locking behavior. - // - // This must be the zero value for MLockMode. - MLockNone MLockMode = iota - - // MLockEager specifies that a mapping is memory-locked, as by mlock() or - // similar. Pages in the mapping should be made, and kept, resident in - // physical memory as soon as possible. - // - // As of this writing, MLockEager does not cause memory-locking to be - // requested from the host; it only affects the sentry's memory management - // behavior. - // - // MLockEager is analogous to Linux's VM_LOCKED. - MLockEager - - // MLockLazy specifies that a mapping is memory-locked, as by mlock() or - // similar. Pages in the mapping should be kept resident in physical memory - // once they have been made resident due to e.g. a page fault. - // - // As of this writing, MLockLazy does not cause memory-locking to be - // requested from the host; in fact, it has virtually no effect, except for - // interactions between mlocked pages and other syscalls. - // - // MLockLazy is analogous to Linux's VM_LOCKED | VM_LOCKONFAULT. - MLockLazy -) - // MMapOpts specifies a request to create a memory mapping. type MMapOpts struct { // Length is the length of the mapping. @@ -337,9 +303,6 @@ type MMapOpts struct { // mapping (see platform.AddressSpace.MapFile). Precommit bool - // MLockMode specifies the memory locking behavior of the mapping. - MLockMode MLockMode - // Hint is the name used for the mapping in /proc/[pid]/maps. If Hint is // empty, MappingIdentity.MappedName() will be used instead. // |