diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/percpu.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index 7971997de310..7fb40bb1555a 100644 --- a/mm/percpu.c +++ b/mm/percpu.c | |||
@@ -1414,6 +1414,38 @@ size_t __init pcpu_setup_first_chunk(size_t static_size, size_t reserved_size, | |||
1414 | return pcpu_unit_size; | 1414 | return pcpu_unit_size; |
1415 | } | 1415 | } |
1416 | 1416 | ||
1417 | const char *pcpu_fc_names[PCPU_FC_NR] __initdata = { | ||
1418 | [PCPU_FC_AUTO] = "auto", | ||
1419 | [PCPU_FC_EMBED] = "embed", | ||
1420 | [PCPU_FC_PAGE] = "page", | ||
1421 | [PCPU_FC_LPAGE] = "lpage", | ||
1422 | }; | ||
1423 | |||
1424 | enum pcpu_fc pcpu_chosen_fc __initdata = PCPU_FC_AUTO; | ||
1425 | |||
1426 | static int __init percpu_alloc_setup(char *str) | ||
1427 | { | ||
1428 | if (0) | ||
1429 | /* nada */; | ||
1430 | #ifdef CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK | ||
1431 | else if (!strcmp(str, "embed")) | ||
1432 | pcpu_chosen_fc = PCPU_FC_EMBED; | ||
1433 | #endif | ||
1434 | #ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK | ||
1435 | else if (!strcmp(str, "page")) | ||
1436 | pcpu_chosen_fc = PCPU_FC_PAGE; | ||
1437 | #endif | ||
1438 | #ifdef CONFIG_NEED_PER_CPU_LPAGE_FIRST_CHUNK | ||
1439 | else if (!strcmp(str, "lpage")) | ||
1440 | pcpu_chosen_fc = PCPU_FC_LPAGE; | ||
1441 | #endif | ||
1442 | else | ||
1443 | pr_warning("PERCPU: unknown allocator %s specified\n", str); | ||
1444 | |||
1445 | return 0; | ||
1446 | } | ||
1447 | early_param("percpu_alloc", percpu_alloc_setup); | ||
1448 | |||
1417 | static inline size_t pcpu_calc_fc_sizes(size_t static_size, | 1449 | static inline size_t pcpu_calc_fc_sizes(size_t static_size, |
1418 | size_t reserved_size, | 1450 | size_t reserved_size, |
1419 | ssize_t *dyn_sizep) | 1451 | ssize_t *dyn_sizep) |