mm/debug_page_ref.c

   1 #include <linux/mm_types.h>
   2 #include <linux/tracepoint.h>
   3
   4 #define CREATE_TRACE_POINTS
   5 #include <trace/events/page_ref.h>
   6
   7 void __page_ref_set(struct page *page, int v)
   8 {
   9         trace_page_ref_set(page, v);
  10 }
  11 EXPORT_SYMBOL(__page_ref_set);
  12 EXPORT_TRACEPOINT_SYMBOL(page_ref_set);
  13
  14 void __page_ref_mod(struct page *page, int v)
  15 {
  16         trace_page_ref_mod(page, v);
  17 }
  18 EXPORT_SYMBOL(__page_ref_mod);
  19 EXPORT_TRACEPOINT_SYMBOL(page_ref_mod);
  20
  21 void __page_ref_mod_and_test(struct page *page, int v, int ret)
  22 {
  23         trace_page_ref_mod_and_test(page, v, ret);
  24 }
  25 EXPORT_SYMBOL(__page_ref_mod_and_test);
  26 EXPORT_TRACEPOINT_SYMBOL(page_ref_mod_and_test);
  27
  28 void __page_ref_mod_and_return(struct page *page, int v, int ret)
  29 {
  30         trace_page_ref_mod_and_return(page, v, ret);
  31 }
  32 EXPORT_SYMBOL(__page_ref_mod_and_return);
  33 EXPORT_TRACEPOINT_SYMBOL(page_ref_mod_and_return);
  34
  35 void __page_ref_mod_unless(struct page *page, int v, int u)
  36 {
  37         trace_page_ref_mod_unless(page, v, u);
  38 }
  39 EXPORT_SYMBOL(__page_ref_mod_unless);
  40 EXPORT_TRACEPOINT_SYMBOL(page_ref_mod_unless);
  41
  42 void __page_ref_freeze(struct page *page, int v, int ret)
  43 {
  44         trace_page_ref_freeze(page, v, ret);
  45 }
  46 EXPORT_SYMBOL(__page_ref_freeze);
  47 EXPORT_TRACEPOINT_SYMBOL(page_ref_freeze);
  48
  49 void __page_ref_unfreeze(struct page *page, int v)
  50 {
  51         trace_page_ref_unfreeze(page, v);
  52 }
  53 EXPORT_SYMBOL(__page_ref_unfreeze);
  54 EXPORT_TRACEPOINT_SYMBOL(page_ref_unfreeze);