[dpdk-dev,v6,06/70] malloc: make malloc_elem_join_adjacent_free public
Checks
Commit Message
Down the line, we will need to join free segments to determine
whether the resulting contiguous free space is bigger than a
page size, allowing to free some memory back to the system.
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
---
lib/librte_eal/common/malloc_elem.c | 6 +++---
lib/librte_eal/common/malloc_elem.h | 3 +++
2 files changed, 6 insertions(+), 3 deletions(-)
@@ -325,8 +325,8 @@ join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2)
elem1->next = next;
}
-static struct malloc_elem *
-elem_join_adjacent_free(struct malloc_elem *elem)
+struct malloc_elem *
+malloc_elem_join_adjacent_free(struct malloc_elem *elem)
{
/*
* check if next element exists, is adjacent and is free, if so join
@@ -388,7 +388,7 @@ malloc_elem_free(struct malloc_elem *elem)
ptr = RTE_PTR_ADD(elem, sizeof(*elem));
data_len = elem->size - MALLOC_ELEM_OVERHEAD;
- elem = elem_join_adjacent_free(elem);
+ elem = malloc_elem_join_adjacent_free(elem);
malloc_elem_free_list_insert(elem);
@@ -141,6 +141,9 @@ malloc_elem_alloc(struct malloc_elem *elem, size_t size,
int
malloc_elem_free(struct malloc_elem *elem);
+struct malloc_elem *
+malloc_elem_join_adjacent_free(struct malloc_elem *elem);
+
/*
* attempt to resize a malloc_elem by expanding into any free space
* immediately after it in memory.