refactor: re-structure the kernel address space for a more integral layout.

[lunaix-os.git] / lunaix-os / includes / lunaix / process.h

diff --git a/lunaix-os/includes/lunaix/process.h b/lunaix-os/includes/lunaix/process.h
index 28cb76b97a797089cdceacac9a3323c373c0760a..26f33bd84dd9fbb21f753b5735a45a84458c2c5c 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -38,15 +38,26 @@ struct proc_sig
 
 struct proc_info
 {
 
 struct proc_info
 {

+    /*
+        Any change to *critical section*, including layout, size
+        must be reflected in kernel/asm/x86/interrupt.S to avoid
+        disaster!
+     */
+
+    /* ---- critical section start ---- */
+

     pid_t pid;
     struct proc_info* parent;
     isr_param intr_ctx; // size=76
     uintptr_t ustack_top;
     pid_t pid;
     struct proc_info* parent;
     isr_param intr_ctx; // size=76
     uintptr_t ustack_top;

+    void* page_table;
+
+    /* ---- critical section end ---- */
+

     struct llist_header siblings;
     struct llist_header children;
     struct llist_header grp_member;
     struct proc_mm mm;
     struct llist_header siblings;
     struct llist_header children;
     struct llist_header grp_member;
     struct proc_mm mm;

-    void* page_table;

     time_t created;
     uint8_t state;
     int32_t exit_code;
     time_t created;
     uint8_t state;
     int32_t exit_code;