[dpdk-dev] [PATCH] eal: fix '--huge-unlink' option
Wodkowski, PawelX
pawelx.wodkowski at intel.com
Wed Sep 26 20:12:03 CEST 2018
Hi Anatoly,
Can you take a look at this small fix.
Thank you
Paweł
> -----Original Message-----
> From: Wodkowski, PawelX
> Sent: Friday, September 21, 2018 1:57 PM
> To: dev at dpdk.org
> Cc: Wodkowski, PawelX <pawelx.wodkowski at intel.com>
> Subject: [PATCH] eal: fix '--huge-unlink' option
>
> The final_va field is set during remap_segment() but this information is
> not propagated to temporal copy of huge page memory configuration so the
> unlink_hugepage_files() function wrongly assume that there is nothing to
> unlink. Fix this issue by checking orig_va instead of final_va.
>
> Fixes: 66cc45e293ed ("mem: replace memseg with memseg lists")
> To: Anatoly Burakov <anatoly.burakov at intel.com>
>
> Signed-off-by: Pawel Wodkowski <pawelx.wodkowski at intel.com>
> ---
> lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c
> b/lib/librte_eal/linuxapp/eal/eal_memory.c
> index e3ac2481572d..b4a2b2b9e405 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_memory.c
> +++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
> @@ -585,7 +585,7 @@ unlink_hugepage_files(struct hugepage_file
> *hugepg_tbl,
> for (page = 0; page < nrpages; page++) {
> struct hugepage_file *hp = &hugepg_tbl[page];
>
> - if (hp->final_va != NULL && unlink(hp->filepath)) {
> + if (hp->orig_va != NULL && unlink(hp->filepath)) {
> RTE_LOG(WARNING, EAL, "%s(): Removing %s failed:
> %s\n",
> __func__, hp->filepath, strerror(errno));
> }
> --
> 2.7.4
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