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env/dpdk: allow 0 requested memory size

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Now that DPDK can reserve additional memory on the fly,
the initial requested memory only serves as preallocation
and it makes sense to request no preallocated memory.

Right now, passing `--mem-size 0` counterintuitively
tries to reserve all hugepages on the system.

Change-Id: I281900efc7bd0bbb7eed30161ba0b88e16195170
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/422241
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Dariusz Stojaczyk 2018-08-14 10:45:49 +02:00 committed by Jim Harris
parent ce643e0efe
commit 75327bc67e
1 changed files with 1 additions and 1 deletions
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2
lib/env_dpdk/init.c
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@ -246,7 +246,7 @@ spdk_build_eal_cmdline(const struct spdk_env_opts *opts)
}
/* set the memory size */
if (opts->mem_size > 0) {
if (opts->mem_size >= 0) {
args = spdk_push_arg(args, &argcount, _sprintf_alloc("-m %d", opts->mem_size));
if (args == NULL) {
return -1;