code review from Josh and Robert

          --- old/usr/src/man/man9f/vmem_walk.9f.man.txt
          +++ new/usr/src/man/man9f/vmem_walk.9f.man.txt

   1    1  VMEM_WALK(9F)            Kernel Functions for Drivers            VMEM_WALK(9F)
   2    2  
   3    3  NAME
   4    4       vmem_walk, vmem_size - walk a (sub-)set of the segments in a vmem arena
   5    5  
   6    6  SYNOPSIS
   7    7       #include <sys/vmem.h>
   8    8  
   9    9       void

  10   10       vmem_walk(vmem_t *vmp, int typemask,
  11   11           void (*func)(void *, void *, size_t), void *arg);
  12   12  
  13   13       size_t
  14   14       vmem_size(vmem_t *vmp, int typemask);
  15   15  
  16   16  INTERFACE LEVEL
  17   17       illumos DDI specific
  18   18  
  19   19  PARAMETERS
  20      -     vmp     The vmem arena to walk
       20 +     vmp     The vmem arena to walk.
  21   21  
  22   22       typemask
  23      -             A bitmask indicating the types of segment to operate on
       23 +             A bitmask indicating the types of segment to operate on.
  24   24  
  25   25               VMEM_ALLOC
  26      -                     Allocated segments
       26 +                     Allocated segments.
  27   27  
  28   28               VMEM_FREE
  29      -                     Free segments
       29 +                     Free segments.
  30   30  
  31   31       func    The function to apply to each segment matching typemask.  func
  32      -             should be of 3 values and return void:
       32 +             should accept 3 arguments and return void:
  33   33  
  34   34               void *arg
  35      -                     The arg passed to vmem_walk()
       35 +                     The arg passed to vmem_walk().
  36   36  
  37   37               void *vaddr
  38      -                     The base address of the segment
       38 +                     The base address of the segment.
  39   39  
  40   40               size_t size
  41      -                     The size of the segment
       41 +                     The size of the segment.
  42   42  
  43      -     arg     An arbitrary argument passed to each call to func()
       43 +     arg     An arbitrary argument passed to each call to func().
  44   44  
  45   45  DESCRIPTION
  46   46       vmem_walk() walks each segment in the arena vmp and applies func to each
  47   47       which matches typemask.
  48   48  
  49   49       vmem_size() walks each segment in the arena vmp and totals the size of
  50   50       each matching typemask.
  51   51  
  52   52  CONTEXT
  53   53       This function may be called from user or kernel context.
  54   54  
  55   55  SEE ALSO
  56   56       vmem(9), vmem_alloc(9F), vmem_create(9F)
  57   57  
  58   58  illumos                        January 18, 2017                        illumos
    

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