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Fixes for granule allocator

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5131 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-09-11 21:39:39 +00:00
parent 594b34a356
commit 7bb74973bd
6 changed files with 80 additions and 11 deletions
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nuttx/mm/mm_granalloc.c
+8 -1
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@@ -93,7 +93,7 @@ static inline void gran_mark_allocated(FAR struct gran_s *priv, uintptr_t alloc,
ngranules -= avail;
}
/* Handle the cae where where all of the granules come from one entry */
/* Handle the case where where all of the granules come from one entry */
else
{
@@ -135,8 +135,13 @@ static inline FAR void *gran_common_alloc(FAR struct gran_s *priv, size_t size)
int j;
DEBUGASSERT(priv && size <= 32 * (1 << priv->log2gran));
if (priv && size > 0)
{
/* Get exclusive access to the GAT */
gran_semtake(priv);
/* How many contiguous granules we we need to find? */
tmpmask = (1 << priv->log2gran) - 1;
@@ -186,6 +191,7 @@ static inline FAR void *gran_common_alloc(FAR struct gran_s *priv, size_t size)
/* And return the allocation address */
gran_semgive(priv);
return (FAR void *)alloc;
}
@@ -207,6 +213,7 @@ static inline FAR void *gran_common_alloc(FAR struct gran_s *priv, size_t size)
}
}
gran_semgive(priv);
return NULL;
}