diff mbox

[dpdk-dev,2/2] memzone: clarify support for zero-length memzones

Message ID cc0b9dc95f4d3060e5cffb07c2fc840ca0bc9583.1527255565.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Anatoly Burakov May 25, 2018, 1:39 p.m. UTC 
  Currently, memzone allocation with length set to 0 that are also
IOVA-contiguous is not supported. Document this limitation.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 lib/librte_eal/common/include/rte_memzone.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Thomas Monjalon May 27, 2018, 11:48 p.m. UTC | #1 
25/05/2018 15:39, Anatoly Burakov:
> Currently, memzone allocation with length set to 0 that are also
> IOVA-contiguous is not supported. Document this limitation.
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

Series applied, thanks
diff mbox

Patch

diff --git a/lib/librte_eal/common/include/rte_memzone.h b/lib/librte_eal/common/include/rte_memzone.h
index a4c9bd6..ef370fa 100644
--- a/lib/librte_eal/common/include/rte_memzone.h
+++ b/lib/librte_eal/common/include/rte_memzone.h
@@ -81,6 +81,9 @@  struct rte_memzone {
  *   memzones from memory that is already available. It will not trigger any
  *   new allocations.
  *
+ * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently
+ *   supported.
+ *
  * @param name
  *   The name of the memzone. If it already exists, the function will
  *   fail and return NULL.
@@ -138,6 +141,9 @@  const struct rte_memzone *rte_memzone_reserve(const char *name,
  *   memzones from memory that is already available. It will not trigger any
  *   new allocations.
  *
+ * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently
+ *   supported.
+ *
  * @param name
  *   The name of the memzone. If it already exists, the function will
  *   fail and return NULL.
@@ -200,6 +206,9 @@  const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
  *   memzones from memory that is already available. It will not trigger any
  *   new allocations.
  *
+ * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently
+ *   supported.
+ *
  * @param name
  *   The name of the memzone. If it already exists, the function will
  *   fail and return NULL.