[dpdk-dev] [PATCH v2] mempool: Free memzone if mempool populate phys fails
Olivier Matz
olivier.matz at 6wind.com
Fri Nov 11 15:35:42 CET 2016
Hi Hemant,
On 11/11/2016 04:47 PM, Hemant Agrawal wrote:
> From: Nipun Gupta <nipun.gupta at nxp.com>
>
> This patch fixes the issue of memzone not being freed incase the
> rte_mempool_populate_phys fails in the rte_mempool_populate_default
>
> This issue was identified when testing with OVS ~2.6
> - configure the system with low memory (e.g. < 500 MB)
> - add bridge and dpdk interfaces
> - delete brigde
> - keep on repeating the above sequence.
>
> Fixes: d1d914ebbc25 ("mempool: allocate in several memory chunks by default")
>
> Signed-off-by: Nipun Gupta <nipun.gupta at nxp.com>
> ---
> lib/librte_mempool/rte_mempool.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
> index e94e56f..aa513b9 100644
> --- a/lib/librte_mempool/rte_mempool.c
> +++ b/lib/librte_mempool/rte_mempool.c
> @@ -578,8 +578,10 @@ rte_mempool_populate_default(struct rte_mempool *mp)
> mz->len, pg_sz,
> rte_mempool_memchunk_mz_free,
> (void *)(uintptr_t)mz);
> - if (ret < 0)
> + if (ret < 0) {
> + rte_memzone_free(mz);
> goto fail;
> + }
> }
>
> return mp->size;
>
Acked-by: Olivier Matz <olivier.matz at 6wind.com>
Thanks
Olivier
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