Author: kib
Date: Thu Dec 15 10:51:35 2016
New Revision: 310111
URL: https://svnweb.freebsd.org/changeset/base/310111
Log:
MFC r309709:
Move map_generation snapshot value into struct faultstate.
Modified:
stable/10/sys/vm/vm_fault.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/vm/vm_fault.c
==============================================================================
--- stable/10/sys/vm/vm_fault.c Thu Dec 15 10:47:35 2016 (r310110)
+++ stable/10/sys/vm/vm_fault.c Thu Dec 15 10:51:35 2016 (r310111)
@@ -124,6 +124,7 @@ struct faultstate {
vm_map_t map;
vm_map_entry_t entry;
int lookup_still_valid;
+ int map_generation;
struct vnode *vp;
};
@@ -336,7 +337,6 @@ vm_fault_hold(vm_map_t map, vm_offset_t
long ahead, behind;
int alloc_req, era, faultcount, nera, reqpage, result;
boolean_t dead, growstack, is_first_object_locked, wired;
- int map_generation;
vm_object_t next_object;
vm_page_t marray[VM_FAULT_READ_MAX];
int hardfault;
@@ -372,7 +372,7 @@ RetryFault:;
return (result);
}
- map_generation = fs.map->timestamp;
+ fs.map_generation = fs.map->timestamp;
if (fs.entry->eflags & MAP_ENTRY_NOFAULT) {
panic("vm_fault: fault on nofault entry, addr: %lx",
@@ -950,7 +950,7 @@ readrest:
goto RetryFault;
}
fs.lookup_still_valid = TRUE;
- if (fs.map->timestamp != map_generation) {
+ if (fs.map->timestamp != fs.map_generation) {
result = vm_map_lookup_locked(&fs.map, vaddr,
fault_type,
&fs.entry, &retry_object, &retry_pindex,
&retry_prot, &wired);
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