From: Anatoly Burakov <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: ray.kinsella@intel.com, kuralamudhan.ramakrishnan@intel.com,
louise.m.daly@intel.com, bruce.richardson@intel.com,
ferruh.yigit@intel.com, konstantin.ananyev@intel.com,
thomas@monjalon.net
Subject: [PATCH v2 4/9] eal: add support for no-shconf in hugepage data file
Date: Fri, 13 Jul 2018 11:27:10 +0100 [thread overview]
Message-ID: <ad5312b52c49a412710aa346c835c6052ab2e0ae.1531477505.git.anatoly.burakov@intel.com> (raw)
In-Reply-To: <cover.1531477505.git.anatoly.burakov@intel.com>
In-Reply-To: <cover.1531477505.git.anatoly.burakov@intel.com>
Do not create a shared hugepage data file if we were asked to
not create any shared files.
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
Notes:
RFC->v1:
- Use --no-shconf only
lib/librte_eal/linuxapp/eal/eal_memory.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 5d3c8831b..ddfa8b133 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -521,7 +521,18 @@ static void *
create_shared_memory(const char *filename, const size_t mem_size)
{
void *retval;
- int fd = open(filename, O_CREAT | O_RDWR, 0666);
+ int fd;
+
+ /* if no shared files mode is used, create anonymous memory instead */
+ if (internal_config.no_shconf) {
+ retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (retval == MAP_FAILED)
+ return NULL;
+ return retval;
+ }
+
+ fd = open(filename, O_CREAT | O_RDWR, 0666);
if (fd < 0)
return NULL;
if (ftruncate(fd, mem_size) < 0) {
--
2.17.1
next prev parent reply other threads:[~2018-07-13 10:27 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-01 17:15 [PATCH 0/9] Support running DPDK without hugetlbfs mountpoint Anatoly Burakov
2018-06-01 17:15 ` [PATCH 1/9] fbarray: support no-shconf mode Anatoly Burakov
2018-06-01 17:15 ` [PATCH 2/9] ipc: add support for " Anatoly Burakov
2018-06-01 17:15 ` [PATCH 3/9] eal: add support for no-shconf for hugepage info Anatoly Burakov
2018-06-01 17:15 ` [PATCH 4/9] eal: add support for no-shconf in hugepage data file Anatoly Burakov
2018-06-01 17:15 ` [PATCH 5/9] eal: do not create runtime dir in no-shconf mode Anatoly Burakov
2018-06-01 17:15 ` [PATCH 6/9] mem: add support for hugepage-unlink mode Anatoly Burakov
2018-06-01 17:15 ` [PATCH 7/9] eal: add --in-memory option Anatoly Burakov
2018-06-01 17:15 ` [PATCH 8/9] doc: add deprecation notice for EAL command line options Anatoly Burakov
2018-06-01 17:15 ` [PATCH 9/9] mem: support in-memory mode Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 0/9] Support running DPDK without hugetlbfs mountpoint Anatoly Burakov
2018-07-13 12:47 ` [PATCH v3 0/8] " Anatoly Burakov
2018-07-13 13:41 ` Thomas Monjalon
2018-07-13 12:47 ` [PATCH v3 1/8] fbarray: support no-shconf mode Anatoly Burakov
2018-07-13 12:47 ` [PATCH v3 2/8] ipc: add support for " Anatoly Burakov
2018-07-13 12:47 ` [PATCH v3 3/8] eal: add support for no-shconf for hugepage info Anatoly Burakov
2018-07-13 12:48 ` [PATCH v3 4/8] eal: add support for no-shconf in hugepage data file Anatoly Burakov
2018-07-13 12:48 ` [PATCH v3 5/8] eal: do not create runtime dir in no-shconf mode Anatoly Burakov
2018-07-13 12:48 ` [PATCH v3 6/8] mem: add support for hugepage-unlink mode Anatoly Burakov
2018-07-13 12:48 ` [PATCH v3 7/8] eal: add --in-memory option Anatoly Burakov
2018-07-13 12:48 ` [PATCH v3 8/8] mem: support in-memory mode Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 1/9] fbarray: support no-shconf mode Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 2/9] ipc: add support for " Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 3/9] eal: add support for no-shconf for hugepage info Anatoly Burakov
2018-07-13 10:27 ` Anatoly Burakov [this message]
2018-07-13 10:27 ` [PATCH v2 5/9] eal: do not create runtime dir in no-shconf mode Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 6/9] mem: add support for hugepage-unlink mode Anatoly Burakov
2018-07-13 10:27 ` [PATCH v2 7/9] eal: add --in-memory option Anatoly Burakov
2018-07-13 12:13 ` Thomas Monjalon
2018-07-13 12:27 ` Burakov, Anatoly
2018-07-13 10:27 ` [PATCH v2 8/9] doc: add deprecation notice for EAL command line options Anatoly Burakov
2018-07-13 12:13 ` Thomas Monjalon
2018-07-13 12:29 ` Burakov, Anatoly
2018-07-13 10:27 ` [PATCH v2 9/9] mem: support in-memory mode Anatoly Burakov
2018-07-13 12:15 ` Thomas Monjalon
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