Re: UVM aobj: Large VM objects.

[Cherry George Mathew <cherry%mahiti.org@localhost>]

>>>>> "yamt" == YAMAMOTO Takashi <yamt%mwd.biglobe.ne.jp@localhost> writes:


[...]


    yamt> however, i don't think long is appropriate here.  please
    yamt> introduce a 64-bit "page offset" type.  "typedef voff_t
    yamt> pgoff_t" should be fine.

I don't have access to CVS. Could you check in the following, if
appropriate ? 

Thanks,

--
Cherry



*** uvm_extern.h        28 Jun 2005 22:41:44 +0530      1.1.1.1
--- uvm_extern.h        07 Mar 2006 10:47:04 +0530      
***************
*** 88,93 ****
--- 88,94 ----
  
  typedef int vm_inherit_t;     /* XXX: inheritance codes */
  typedef off_t voff_t;         /* XXX: offset within a uvm_object */
+ typedef voff_t pgoff_t;               /* XXX: number of pages within a uvm 
object */
  
  /*
   * defines

*** uvm_aobj.c  05 Mar 2006 11:24:26 +0530      1.1.1.1
--- uvm_aobj.c  07 Mar 2006 10:43:34 +0530      
***************
*** 152,158 ****
  
  struct uvm_aobj {
        struct uvm_object u_obj; /* has: lock, pgops, memq, #pages, #refs */
!       int u_pages;             /* number of pages in entire object */
        int u_flags;             /* the flags (see uvm_aobj.h) */
        int *u_swslots;          /* array of offset->swapslot mappings */
                                 /*
--- 152,158 ----
  
  struct uvm_aobj {
        struct uvm_object u_obj; /* has: lock, pgops, memq, #pages, #refs */
!       pgoff_t u_pages;         /* number of pages in entire object */
        int u_flags;             /* the flags (see uvm_aobj.h) */
        int *u_swslots;          /* array of offset->swapslot mappings */
                                 /*
***************
*** 476,482 ****
  {
        static struct uvm_aobj kernel_object_store;
        static int kobj_alloced = 0;
!       int pages = round_page(size) >> PAGE_SHIFT;
        struct uvm_aobj *aobj;
        int refs;
  
--- 476,482 ----
  {
        static struct uvm_aobj kernel_object_store;
        static int kobj_alloced = 0;
!       pgoff_t pages = round_page(size) >> PAGE_SHIFT;
        struct uvm_aobj *aobj;
        int refs;