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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/11/18 18:16:17 UTC

[GitHub] [incubator-nuttx] xiaoxiang781216 commented on a diff in pull request #7618: mm/shm: Implement a generic utility API for creating / destroying shm mappings

xiaoxiang781216 commented on code in PR #7618:
URL: https://github.com/apache/incubator-nuttx/pull/7618#discussion_r1026747411


##########
mm/mm_gran/mm_granreserve.c:
##########
@@ -81,10 +83,21 @@ void gran_reserve(GRAN_HANDLE handle, uintptr_t start, size_t size)
 
       ngranules = ((end - start) >> priv->log2gran) + 1;
 
+      /* Must lock the granule allocator */
+
+      ret = gran_enter_critical(priv);
+      if (ret < 0)
+        {
+          return -ENOMEM;

Review Comment:
   return ret;



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