[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

2 files changed, 3 insertions, 3 deletions

diff --git a/pkg/sentry/fs/anon/BUILD b/pkg/sentry/fs/anon/BUILD
index aedcecfa1..1ce56d79f 100644
--- a/pkg/sentry/fs/anon/BUILD
+++ b/pkg/sentry/fs/anon/BUILD
@@ -12,9 +12,9 @@ go_library(
     deps = [
         "//pkg/abi/linux",
         "//pkg/context",
+        "//pkg/hostarch",
         "//pkg/sentry/device",
         "//pkg/sentry/fs",
         "//pkg/sentry/fs/fsutil",
-        "//pkg/usermem",
     ],
 )
diff --git a/pkg/sentry/fs/anon/anon.go b/pkg/sentry/fs/anon/anon.go
index 5c421f5fb..8bda22a8e 100644
--- a/pkg/sentry/fs/anon/anon.go
+++ b/pkg/sentry/fs/anon/anon.go
@@ -19,9 +19,9 @@ package anon
 import (
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/hostarch"
 	"gvisor.dev/gvisor/pkg/sentry/fs"
 	"gvisor.dev/gvisor/pkg/sentry/fs/fsutil"
-	"gvisor.dev/gvisor/pkg/usermem"
 )
 
 // NewInode constructs an anonymous Inode that is not associated
@@ -37,6 +37,6 @@ func NewInode(ctx context.Context) *fs.Inode {
 		Type:      fs.Anonymous,
 		DeviceID:  PseudoDevice.DeviceID(),
 		InodeID:   PseudoDevice.NextIno(),
-		BlockSize: usermem.PageSize,
+		BlockSize: hostarch.PageSize,
 	})
 }