include/linux/vs_memory.h

   1 #ifndef _VX_VS_MEMORY_H
   2 #define _VX_VS_MEMORY_H
   3
   4 #include "vserver/limit.h"
   5 #include "vserver/debug.h"
   6 #include "vserver/limit_int.h"
   7
   8
   9 #define __vx_add_long(a,v)      (*(v) += (a))
  10 #define __vx_inc_long(v)        (++*(v))
  11 #define __vx_dec_long(v)        (--*(v))
  12
  13 #if     NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS
  14 #define __vx_add_value(a,v)     atomic_long_add(a,v)
  15 #define __vx_inc_value(v)       atomic_long_inc(v)
  16 #define __vx_dec_value(v)       atomic_long_dec(v)
  17 #else  /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
  18 #define __vx_add_value(a,v)     __vx_add_long(a,v)
  19 #define __vx_inc_value(v)       __vx_inc_long(v)
  20 #define __vx_dec_value(v)       __vx_dec_long(v)
  21 #endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
  22
  23
  24 #define vx_acc_page(m,d,v,r) do {                                       \
  25         if ((d) > 0)                                                    \
  26                 __vx_inc_long(&(m->v));                                 \
  27         else                                                            \
  28                 __vx_dec_long(&(m->v));                                 \
  29         __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__);      \
  30 } while (0)
  31
  32 #define vx_acc_page_atomic(m,d,v,r) do {                                \
  33         if ((d) > 0)                                                    \
  34                 __vx_inc_value(&(m->v));                                \
  35         else                                                            \
  36                 __vx_dec_value(&(m->v));                                \
  37         __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__);      \
  38 } while (0)
  39
  40
  41 #define vx_acc_pages(m,p,v,r) do {                                      \
  42         unsigned long __p = (p);                                        \
  43         __vx_add_long(__p, &(m->v));                                    \
  44         __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__);    \
  45 } while (0)
  46
  47 #define vx_acc_pages_atomic(m,p,v,r) do {                               \
  48         unsigned long __p = (p);                                        \
  49         __vx_add_value(__p, &(m->v));                                   \
  50         __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__);    \
  51 } while (0)
  52
  53
  54
  55 #define vx_acc_vmpage(m,d) \
  56         vx_acc_page(m, d, total_vm,  RLIMIT_AS)
  57 #define vx_acc_vmlpage(m,d) \
  58         vx_acc_page(m, d, locked_vm, RLIMIT_MEMLOCK)
  59 #define vx_acc_file_rsspage(m,d) \
  60         vx_acc_page_atomic(m, d, _file_rss, RLIMIT_RSS)
  61 #define vx_acc_anon_rsspage(m,d) \
  62         vx_acc_page_atomic(m, d, _anon_rss, VLIMIT_ANON)
  63
  64 #define vx_acc_vmpages(m,p) \
  65         vx_acc_pages(m, p, total_vm,  RLIMIT_AS)
  66 #define vx_acc_vmlpages(m,p) \
  67         vx_acc_pages(m, p, locked_vm, RLIMIT_MEMLOCK)
  68 #define vx_acc_file_rsspages(m,p) \
  69         vx_acc_pages_atomic(m, p, _file_rss, RLIMIT_RSS)
  70 #define vx_acc_anon_rsspages(m,p) \
  71         vx_acc_pages_atomic(m, p, _anon_rss, VLIMIT_ANON)
  72
  73 #define vx_pages_add(s,r,p)     __vx_add_cres(s, r, p, 0, __FILE__, __LINE__)
  74 #define vx_pages_sub(s,r,p)     vx_pages_add(s, r, -(p))
  75
  76 #define vx_vmpages_inc(m)               vx_acc_vmpage(m, 1)
  77 #define vx_vmpages_dec(m)               vx_acc_vmpage(m,-1)
  78 #define vx_vmpages_add(m,p)             vx_acc_vmpages(m, p)
  79 #define vx_vmpages_sub(m,p)             vx_acc_vmpages(m,-(p))
  80
  81 #define vx_vmlocked_inc(m)              vx_acc_vmlpage(m, 1)
  82 #define vx_vmlocked_dec(m)              vx_acc_vmlpage(m,-1)
  83 #define vx_vmlocked_add(m,p)            vx_acc_vmlpages(m, p)
  84 #define vx_vmlocked_sub(m,p)            vx_acc_vmlpages(m,-(p))
  85
  86 #define vx_file_rsspages_inc(m)         vx_acc_file_rsspage(m, 1)
  87 #define vx_file_rsspages_dec(m)         vx_acc_file_rsspage(m,-1)
  88 #define vx_file_rsspages_add(m,p)       vx_acc_file_rsspages(m, p)
  89 #define vx_file_rsspages_sub(m,p)       vx_acc_file_rsspages(m,-(p))
  90
  91 #define vx_anon_rsspages_inc(m)         vx_acc_anon_rsspage(m, 1)
  92 #define vx_anon_rsspages_dec(m)         vx_acc_anon_rsspage(m,-1)
  93 #define vx_anon_rsspages_add(m,p)       vx_acc_anon_rsspages(m, p)
  94 #define vx_anon_rsspages_sub(m,p)       vx_acc_anon_rsspages(m,-(p))
  95
  96
  97 #define vx_pages_avail(m,p,r) \
  98         __vx_cres_avail((m)->mm_vx_info, r, p, __FILE__, __LINE__)
  99
 100 #define vx_vmpages_avail(m,p)   vx_pages_avail(m, p, RLIMIT_AS)
 101 #define vx_vmlocked_avail(m,p)  vx_pages_avail(m, p, RLIMIT_MEMLOCK)
 102 #define vx_rsspages_avail(m,p)  vx_pages_avail(m, p, RLIMIT_RSS)
 103 #define vx_anonpages_avail(m,p) vx_pages_avail(m, p, VLIMIT_ANON)
 104
 105 #else
 106 #warning duplicate inclusion
 107 #endif