Changeset ae6021d in mainline for kernel/generic/src/mm/backend_user.c

Timestamp:

2016-09-02T15:44:09Z (8 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e755b3f

Parents:

c1f7a315

Message:

Associate each paged as_area with its memory object upon creation

This will allow us to have one pager fibril per task rather than one
per paged area.

File:

• kernel/generic/src/mm/backend_user.c (modified) (3 diffs)

kernel/generic/src/mm/backend_user.c

@@ -39 +39 @@
 #include <mm/as.h>
 #include <mm/page.h>
+#include <abi/mm/as.h>
 #include <abi/ipc/methods.h>
 #include <ipc/sysipc.h>
@@ -132 +133 @@
                 return AS_PF_FAULT;
 
+        as_area_pager_info_t *pager_info = &area->backend_data.pager_info;
+
         ipc_data_t data = {};
         IPC_SET_IMETHOD(data, IPC_M_PAGE_IN);
         IPC_SET_ARG1(data, upage - area->base);
         IPC_SET_ARG2(data, PAGE_SIZE);
+        IPC_SET_ARG3(data, pager_info->id1);
+        IPC_SET_ARG4(data, pager_info->id2);
+        IPC_SET_ARG5(data, pager_info->id3);
 
-        int rc = ipc_req_internal(area->backend_data.pager, &data);
+        int rc = ipc_req_internal(pager_info->pager, &data);
 
         if (rc != EOK) {
@@ -143 +149 @@
                     "Page-in request for page %#" PRIxn
                     " at pager %d failed with error %d.",
-                    upage, area->backend_data.pager, rc);
+                    upage, pager_info->pager, rc);
                 return AS_PF_FAULT;
         }