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dpdk: hugepage availibility check using new api

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Type: improvement
Change-Id: Iab623a2e11bd5787f4cae549143f49888e0dd9c4
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2020-09-17 13:56:47 +02:00
committed by Neale Ranns
parent 27b50fea14
commit 0978e607cc
1 changed files with 9 additions and 11 deletions
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src/plugins/dpdk/main.c
+9 -11
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@@ -105,7 +105,6 @@ dpdk_early_init (vlib_main_t *vm)
int fd = -1;
u64 *pt = 0;
clib_error_t *err = 0;
clib_mem_vm_alloc_t alloc = { 0 };
/* check if pagemap is accessible - if we get zero result
dpdk will not be able to get physical memory address and game is over
@@ -125,19 +124,18 @@ dpdk_early_init (vlib_main_t *vm)
goto error;
check_hugetlb:
alloc.flags = CLIB_MEM_VM_F_SHARED | CLIB_MEM_VM_F_HUGETLB | CLIB_MEM_VM_F_HUGETLB_PREALLOC;
alloc.size = 1;
alloc.name = "dpdk_early_init";
fd = clib_mem_vm_create_fd (CLIB_MEM_PAGE_SZ_DEFAULT_HUGE,
"dpdk early init");
if ((err = clib_mem_vm_ext_alloc (&alloc)))
if (fd != -1)
{
clib_error_free (err);
goto error;
u8 *page = clib_mem_vm_map_shared (0, 1, fd, 0, "dpdk_early_init");
if (page != CLIB_MEM_VM_MAP_FAILED)
{
clib_mem_vm_unmap (page);
goto done;
}
}
else
clib_mem_vm_ext_free (&alloc);
goto done;
error:
err = clib_error_return (0, "access to physical devices is not allowed");