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soc:2010:cooldavid:journal:week2 [2010/06/04 00:50]
cooldavid
soc:2010:cooldavid:journal:week2 [2010/06/04 05:47]
cooldavid
Line 38: Line 38:
                     (unsigned long)iob->​data,​ mapping, len);                     (unsigned long)iob->​data,​ mapping, len);
 </​code>​ </​code>​
-    * This will behave poorly when memory runs out.  Better is to have a refill routine that runs after the poll(), and always attempts to refill up to a specified level. <code C>+    * This will behave poorly when memory runs out. Better is to have a refill routine that runs after the poll(), and always attempts to refill up to a specified level. <code C>
     rxdesc += idx;     rxdesc += idx;
     if (jme_make_new_rx_buf(rxring->​bufinf + idx)) {     if (jme_make_new_rx_buf(rxring->​bufinf + idx)) {
Line 45: Line 45:
     } else {     } else {
 </​code>​ </​code>​
 +
 +  * From me:
 +    * The refill function did not work correctly. Because of the error packet was reused instead of making a hole. [[http://​bbs.cooldavid.org/​git/?​p=gpxe.git;​a=commitdiff;​h=aa105ed1c6d99588dceeec3ead4e434b40b59644|This patch fixed it]]
  
 ==== Trace memory related codes ==== ==== Trace memory related codes ====

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