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Differential D40450 Diff 122956 sys/kern/subr_pcpu.c

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sys/kern/subr_pcpu.c

Show First 20 Lines • Show All 112 Lines • ▼ Show 20 Linesdpcpu_init(void *dpcpu, int cpuid)
/* /*
* Place it in the global pcpu offset array. * Place it in the global pcpu offset array.
*/ */
dpcpu_off[cpuid] = pcpu->pc_dynamic; dpcpu_off[cpuid] = pcpu->pc_dynamic;
} }
static void static void
dpcpu_startup(void *dummy __unused) dpcpu_startup(void)
{ {
struct dpcpu_free *df; struct dpcpu_free *df;
df = malloc(sizeof(*df), M_PCPU, M_WAITOK | M_ZERO); df = malloc(sizeof(*df), M_PCPU, M_WAITOK | M_ZERO);
df->df_start = (uintptr_t)&DPCPU_NAME(modspace); df->df_start = (uintptr_t)&DPCPU_NAME(modspace);
df->df_len = DPCPU_MODMIN; df->df_len = DPCPU_MODMIN;
TAILQ_INSERT_HEAD(&dpcpu_head, df, df_link); TAILQ_INSERT_HEAD(&dpcpu_head, df, df_link);
sx_init(&dpcpu_lock, "dpcpu alloc lock"); sx_init(&dpcpu_lock, "dpcpu alloc lock");
} }
SYSINIT(dpcpu, SI_SUB_KLD, SI_ORDER_FIRST, dpcpu_startup, NULL); SYSINIT(dpcpu, SI_SUB_KLD, SI_ORDER_FIRST, dpcpu_startup);
/* /*
* UMA_ZONE_PCPU zones for general kernel use. * UMA_ZONE_PCPU zones for general kernel use.
*/ */
uma_zone_t pcpu_zone_4; uma_zone_t pcpu_zone_4;
uma_zone_t pcpu_zone_8; uma_zone_t pcpu_zone_8;
uma_zone_t pcpu_zone_16; uma_zone_t pcpu_zone_16;
uma_zone_t pcpu_zone_32; uma_zone_t pcpu_zone_32;
Show All 9 Lines pcpu_zone_8 = uma_zcreate("pcpu-8", 8,
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU); NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU);
pcpu_zone_16 = uma_zcreate("pcpu-16", 16, pcpu_zone_16 = uma_zcreate("pcpu-16", 16,
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU); NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU);
pcpu_zone_32 = uma_zcreate("pcpu-32", 32, pcpu_zone_32 = uma_zcreate("pcpu-32", 32,
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU); NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU);
pcpu_zone_64 = uma_zcreate("pcpu-64", 64, pcpu_zone_64 = uma_zcreate("pcpu-64", 64,
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU); NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_PCPU);
} }
SYSINIT(pcpu_zones, SI_SUB_COUNTER, SI_ORDER_FIRST, pcpu_zones_startup, NULL); SYSINIT(pcpu_zones, SI_SUB_COUNTER, SI_ORDER_FIRST, pcpu_zones_startup);
/* /*
* First-fit extent based allocator for allocating space in the per-cpu * First-fit extent based allocator for allocating space in the per-cpu
* region reserved for modules. This is only intended for use by the * region reserved for modules. This is only intended for use by the
* kernel linkers to place module linker sets. * kernel linkers to place module linker sets.
*/ */
void * void *
dpcpu_alloc(int size) dpcpu_alloc(int size)
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