diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vppinfra/linux/mem.c | 65 | ||||
| -rw-r--r-- | src/vppinfra/mem.h | 3 |
2 files changed, 60 insertions, 8 deletions
diff --git a/src/vppinfra/linux/mem.c b/src/vppinfra/linux/mem.c index 76195a21118..c20de9c2103 100644 --- a/src/vppinfra/linux/mem.c +++ b/src/vppinfra/linux/mem.c @@ -366,7 +366,7 @@ legacy_memfd_create (u8 * name) { vec_reset_length (mm->error); mm->error = clib_error_return_unix (mm->error, "mkdtemp"); - return -1; + return CLIB_MEM_ERROR; } if (mount ("none", mount_dir, "hugetlbfs", 0, NULL)) @@ -374,7 +374,7 @@ legacy_memfd_create (u8 * name) rmdir ((char *) mount_dir); vec_reset_length (mm->error); mm->error = clib_error_return_unix (mm->error, "mount"); - return -1; + return CLIB_MEM_ERROR; } filename = format (0, "%s/%s%c", mount_dir, name, 0); @@ -407,7 +407,7 @@ clib_mem_vm_create_fd (clib_mem_page_sz_t log2_page_size, char *fmt, ...) switch (log2_page_size) { case CLIB_MEM_PAGE_SZ_UNKNOWN: - return -1; + return CLIB_MEM_ERROR; case CLIB_MEM_PAGE_SZ_DEFAULT: memfd_flags = MFD_ALLOW_SEALING; break; @@ -441,7 +441,7 @@ clib_mem_vm_create_fd (clib_mem_page_sz_t log2_page_size, char *fmt, ...) vec_reset_length (mm->error); mm->error = clib_error_return_unix (mm->error, "memfd_create"); vec_free (s); - return -1; + return CLIB_MEM_ERROR; } vec_free (s); @@ -452,7 +452,7 @@ clib_mem_vm_create_fd (clib_mem_page_sz_t log2_page_size, char *fmt, ...) vec_reset_length (mm->error); mm->error = clib_error_return_unix (mm->error, "fcntl (F_ADD_SEALS)"); close (fd); - return -1; + return CLIB_MEM_ERROR; } return fd; @@ -640,11 +640,11 @@ clib_mem_vm_unmap (void *base) clib_mem_vm_map_hdr_t *hdr = base - sys_page_sz;; if (mprotect (hdr, sys_page_sz, PROT_READ | PROT_WRITE) != 0) - return -1; + return CLIB_MEM_ERROR; size = hdr->num_pages << hdr->log2_page_sz; if (munmap ((void *) hdr->base_addr, size) != 0) - return -1; + return CLIB_MEM_ERROR; if (hdr->next) { @@ -665,7 +665,7 @@ clib_mem_vm_unmap (void *base) mm->first_map = hdr->next; if (munmap (hdr, sys_page_sz) != 0) - return -1; + return CLIB_MEM_ERROR; return 0; } @@ -808,6 +808,55 @@ done: return err; } +int +clib_mem_set_numa_affinity (u8 numa_node, int force) +{ + clib_mem_main_t *mm = &clib_mem_main; + long unsigned int mask[16] = { 0 }; + int mask_len = sizeof (mask) * 8 + 1; + + /* no numa support */ + if (mm->numa_node_bitmap == 0) + { + if (numa_node) + { + vec_reset_length (mm->error); + mm->error = clib_error_return (mm->error, "%s: numa not supported", + (char *) __func__); + return CLIB_MEM_ERROR; + } + else + return 0; + } + + mask[0] = 1 << numa_node; + + if (set_mempolicy (force ? MPOL_BIND : MPOL_PREFERRED, mask, mask_len)) + goto error; + + vec_reset_length (mm->error); + return 0; + +error: + vec_reset_length (mm->error); + mm->error = clib_error_return_unix (mm->error, (char *) __func__); + return CLIB_MEM_ERROR; +} + +int +clib_mem_set_default_numa_affinity () +{ + clib_mem_main_t *mm = &clib_mem_main; + + if (set_mempolicy (MPOL_DEFAULT, 0, 0)) + { + vec_reset_length (mm->error); + mm->error = clib_error_return_unix (mm->error, (char *) __func__); + return CLIB_MEM_ERROR; + } + return 0; +} + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vppinfra/mem.h b/src/vppinfra/mem.h index 3ba20ad6d3e..9fc7f0efa76 100644 --- a/src/vppinfra/mem.h +++ b/src/vppinfra/mem.h @@ -54,6 +54,7 @@ #define CLIB_MAX_MHEAPS 256 #define CLIB_MAX_NUMAS 16 #define CLIB_MEM_VM_MAP_FAILED ((void *) ~0) +#define CLIB_MEM_ERROR (-1) typedef enum { @@ -476,6 +477,8 @@ u64 *clib_mem_vm_get_paddr (void *mem, clib_mem_page_sz_t log2_page_size, int n_pages); void clib_mem_destroy_mspace (void *mspace); void clib_mem_destroy (void); +int clib_mem_set_numa_affinity (u8 numa_node, int force); +int clib_mem_set_default_numa_affinity (); typedef struct { |