Applying InnoDB plugin snashot

Detailed revision comments:

r6126 | vasil | 2009-10-30 10:36:07 +0200 (Fri, 30 Oct 2009) | 45 lines
branches/zip: Merge r6112:6125 from branches/5.1:

(skipping r6122 and r6123, Jimmy says these are already present and need
not be merged):

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  r6122 | jyang | 2009-10-30 05:18:38 +0200 (Fri, 30 Oct 2009) | 7 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
     M /branches/5.1/mysql-test/innodb_bug44369.result
     M /branches/5.1/mysql-test/innodb_bug44369.test
     M /branches/5.1/mysql-test/innodb_bug46000.result
     M /branches/5.1/mysql-test/innodb_bug46000.test
  
  branches/5.1: Chnage WARN_LEVEL_ERROR to WARN_LEVEL_WARN
  for push_warning_printf() call in innodb.
  Fix Bug#47233: Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR)
  
  rb://170 approved by Marko.
  
  
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  r6123 | jyang | 2009-10-30 05:43:06 +0200 (Fri, 30 Oct 2009) | 8 lines
  Changed paths:
     M /branches/5.1/os/os0proc.c
  
  branches/5.1: In os_mem_alloc_large(), if we fail to attach
  the shared memory, reset memory pointer ptr to NULL, and
  allocate memory from conventional pool. This is a port
  from branches/zip.
  Bug #48237 Error handling in os_mem_alloc_large appears to be incorrect
  rb://198  Approved by: Marko
  
  
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  r6125 | vasil | 2009-10-30 10:31:23 +0200 (Fri, 30 Oct 2009) | 4 lines
  Changed paths:
     M /branches/5.1/handler/ha_innodb.cc
  
  branches/5.1:
  
  White-space fixup.
  
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