diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/svm/ssvm.c | 27 | ||||
-rw-r--r-- | src/vppinfra/linux/mem.c | 58 | ||||
-rw-r--r-- | src/vppinfra/mem.h | 1 |
3 files changed, 15 insertions, 71 deletions
diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c index aca65ad6f42..47441eb94df 100644 --- a/src/svm/ssvm.c +++ b/src/svm/ssvm.c @@ -291,7 +291,7 @@ ssvm_server_init_memfd (ssvm_private_t * memfd) int ssvm_client_init_memfd (ssvm_private_t * memfd) { - clib_mem_vm_map_t mapa = { 0 }; + int mmap_flags = MAP_SHARED; ssvm_shared_header_t *sh; uword page_size; @@ -304,37 +304,40 @@ ssvm_client_init_memfd (ssvm_private_t * memfd) return SSVM_API_ERROR_MMAP; } + if (memfd->requested_va) + mmap_flags |= MAP_FIXED; + /* * Map the segment once, to look at the shared header */ - mapa.fd = memfd->fd; - mapa.size = page_size; + sh = (void *) mmap (0, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, + memfd->fd, 0); - if (clib_mem_vm_ext_map (&mapa)) + if (sh == MAP_FAILED) { - clib_unix_warning ("client research mmap (fd %d)", mapa.fd); + clib_unix_warning ("client research mmap (fd %d)", memfd->fd); close (memfd->fd); return SSVM_API_ERROR_MMAP; } - sh = mapa.addr; memfd->requested_va = sh->ssvm_va; memfd->ssvm_size = sh->ssvm_size; - clib_mem_vm_free (sh, page_size); + munmap (sh, page_size); /* * Remap the segment at the 'right' address */ - mapa.requested_va = memfd->requested_va; - mapa.size = memfd->ssvm_size; - if (clib_mem_vm_ext_map (&mapa)) + sh = (void *) mmap (uword_to_pointer (memfd->requested_va, void *), + memfd->ssvm_size, + PROT_READ | PROT_WRITE, mmap_flags, memfd->fd, 0); + + if (sh == MAP_FAILED) { clib_unix_warning ("client final mmap"); close (memfd->fd); return SSVM_API_ERROR_MMAP; } - sh = mapa.addr; sh->client_pid = getpid (); memfd->sh = sh; return 0; @@ -347,7 +350,7 @@ ssvm_delete_memfd (ssvm_private_t * memfd) if (memfd->is_server) clib_mem_vm_unmap (memfd->sh); else - clib_mem_vm_free (memfd->sh, memfd->ssvm_size); + munmap (memfd->sh, memfd->ssvm_size); close (memfd->fd); } 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); |