anchao opened a new pull request #5229:
URL: https://github.com/apache/incubator-nuttx/pull/5229


   ## Summary
   
   binfmt/coredump: remove the block fragmentation
   
   Hide the segmentation details to backend implementation
   
   Signed-off-by: chao.an <[email protected]>
   
   ## Impact
   
   coredump performance
   
   ## Testing
   coredump speed boost, storge backend is block device
   
   before this PR:
   
   ```
   [   22.031200] [10] [ EMERG] [ap] board_reset: coredumping ...
   [   39.734910] [10] [ EMERG] [ap] board_reset: rebooting
   ```
   
   after this PR:
   
   ```
   [   25.007077] [10] [ EMERG] [ap] board_reset: coredumping ...
   [   27.058387] [10] [ EMERG] [ap] board_reset: rebooting
   ```
   


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