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authorFlorin Coras <fcoras@cisco.com>2020-09-30 08:13:44 -0700
committerDamjan Marion <dmarion@me.com>2020-10-01 15:51:37 +0000
commit459a0c4e3be1473c4c2b93811280c738e60d0524 (patch)
tree23899cc401a5986256ab769703740fd013511410 /src/vppinfra
parent98d6f2971e2ed40b5c5bb96a9d6c769225a302c4 (diff)
svm: simplify memfd client segment mapping
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I33c6a5d1686cc32a6cde149083256d6cf0770fc5
Diffstat (limited to 'src/vppinfra')
-rw-r--r--src/vppinfra/linux/mem.c58
-rw-r--r--src/vppinfra/mem.h1
2 files changed, 0 insertions, 59 deletions
diff --git a/src/vppinfra/linux/mem.c b/src/vppinfra/linux/mem.c
index c20de9c2103..1b3694b1af4 100644
--- a/src/vppinfra/linux/mem.c
+++ b/src/vppinfra/linux/mem.c
@@ -750,64 +750,6 @@ done:
return r;
}
-clib_error_t *
-clib_mem_vm_ext_map (clib_mem_vm_map_t * a)
-{
- long unsigned int old_mask[16] = { 0 };
- int mmap_flags = MAP_SHARED;
- clib_error_t *err = 0;
- int old_mpol = -1;
- void *addr;
- int rv;
-
- if (a->numa_node)
- {
- rv = get_mempolicy (&old_mpol, old_mask, sizeof (old_mask) * 8 + 1, 0,
- 0);
-
- if (rv == -1)
- {
- err = clib_error_return_unix (0, "get_mempolicy");
- goto done;
- }
- }
-
- if (a->requested_va)
- mmap_flags |= MAP_FIXED;
-
- if (old_mpol != -1)
- {
- long unsigned int mask[16] = { 0 };
- mask[0] = 1 << a->numa_node;
- rv = set_mempolicy (MPOL_BIND, mask, sizeof (mask) * 8 + 1);
- if (rv == -1)
- {
- err = clib_error_return_unix (0, "set_mempolicy");
- goto done;
- }
- }
-
- addr = (void *) mmap (uword_to_pointer (a->requested_va, void *), a->size,
- PROT_READ | PROT_WRITE, mmap_flags, a->fd, 0);
-
- if (addr == MAP_FAILED)
- return clib_error_return_unix (0, "mmap");
-
- /* re-apply old numa memory policy */
- if (old_mpol != -1 &&
- set_mempolicy (old_mpol, old_mask, sizeof (old_mask) * 8 + 1) == -1)
- {
- err = clib_error_return_unix (0, "set_mempolicy");
- goto done;
- }
-
- a->addr = addr;
- CLIB_MEM_UNPOISON (addr, a->size);
-
-done:
- return err;
-}
-
int
clib_mem_set_numa_affinity (u8 numa_node, int force)
{
diff --git a/src/vppinfra/mem.h b/src/vppinfra/mem.h
index 2fd4bfb5dbb..e998eb0f7bc 100644
--- a/src/vppinfra/mem.h
+++ b/src/vppinfra/mem.h
@@ -498,7 +498,6 @@ typedef struct
u8 numa_node;
} clib_mem_vm_map_t;
-clib_error_t *clib_mem_vm_ext_map (clib_mem_vm_map_t * a);
void clib_mem_vm_randomize_va (uword * requested_va,
clib_mem_page_sz_t log2_page_size);
void mheap_trace (void *v, int enable);