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̾??uma_zcreate , uma_zalloc ,
uma_zfree , uma_zdestroy ,
uma_zone_set_max —
????????????
????<sys/param.h>
<sys/queue.h>
<vm/uma.h>
uma_zone_t
uma_zcreate (char *name,
int size, uma_ctor ctor,
uma_dtor dtor, uma_init uminit,
uma_fini fini, int align,
u_int16_t flags); void *
uma_zalloc (uma_zone_t zone,
int flags) void
uma_zfree (uma_zone_t zone,
void *item) void
uma_zdestroy (uma_zone_t zone)
void
uma_zone_set_max (uma_zone_t
zone, int nitems)
??????????????????ưŪ???礭???????????????????????礭???ι??ܤν????? ???????뤿???θ?ΨŪ?ʥ??ե??????????ޤ??? ?????????????ϼ¹Ի??˳??????Ƥ??줿???????Ϥ????????? ͽ?????????Ƥ????Ƥ??륾???????Ф??Ƥ????Ѥ??뤳?Ȥ????衢?ޤ????Τ??ᡢ ¾?Υ??????????롼???????????֡??ȥץ??????Τ????ᤤ?ʳ??????Ѳ?ǽ?Ǥ??????????Ͽ?ĥ???Τ???Ʊ?????礭???ι??ܤν????Ǥ??? ?????????????Ϥɤι??ܤ??????椫?????Ǥʤ??Τ??????ʤ??褦?ˤ??? ?????? ???ܤ????????Ƥ뤿???δؿ??????Ӳ????????᤹ (???Ǥλ??ѤΤ????˹??ܤ? ???Ѳ?ǽ?ˤ???) ?????δؿ??????ޤ??? ??¤?Τ??????????Ǵ??????? ???????Ƥδ֤????????ߺѤߤΥե??????ɤ??Ĥ????Ȥˤ??? ?????????Ȥʤ륾???????????????Ѥ????????硢 ???????????????????ǻ??Ѥ?????Ƭ 2 ?ĤΥݥ??? ???ι?¤?Τ?ͽ?Ƥ???ɬ?פ??????ޤ??? struct my_item { struct my_item *z_rsvd1; struct my_item *z_rsvd2; /* ??¤?ΤλĤ?????ʬ */ }; ???????ʤ????硢?ơ??γ????Ƥθ??Ǥ??????Υ????ȥ꤬???줿?Ȥߤʤ??٤??Ǥ??? ???ܤκǽ??γ????Ƥθ??Ǥϡ?0 ?˥??ꥢ?????Ƥ??ޤ??? ????????????³???????ƤǤϡ? ?Ƕ????????줿???Τ????ƤȤ??ƻĤäƤ????Ǥ??礦???? ???ҤΥե??????ɤ??㳰?Ǥ???
???? ctor ?? dtor
?ϡ????줾?? ???? uminit ?? fini
?ϡ????????Υ??֥??????ȳ??????Ƥκ?Ŭ???˻??Ѥ????ޤ???
???????ϡ????¸??ޤ??ϥ????갵??????ͳ?ˤ??ꡢ
uma
???֥????ƥबʣ???ι??ܤ????????Ƥޤ??ϲ???????ɬ?פ??????Ȥ??ˡ?
?ƤӽФ????ޤ??? uminit ??????
fini
?Υ??????Хå????ɤ??Ȥ????Ȥ??Ƥϡ?
???֥??????Ȥ˴ޤޤ????ߥ塼?ƥå????ν????????˲????????Ǥ??礦??
?????ˤ??ꡢ???֥??????Ȥ? uma
???֥????ƥ??Υ??֥??????Ȥ????֤??줿?Ȥ??ˡ?
???˽??????ѤߤΥߥ塼?ƥå??????ƻ??Ѳ?ǽ?Ȥʤ??ޤ???
???????ϡ??? ???ܤϤ??Υ??????ؤΥݥ???ȼ?ʤ?
???ܤϤ??Υ??????ؤΥݥ??????Ӥ??ι??ܤؤΥݥ???ȼ?ʤä?
???Ǥ??????????줿???????ϡ?
??????uma_zalloc ()
?ؿ??Ϲ??ܤؤΥݥ??ޤ??ϥ???????̤???ѹ??ܤ??????ƥ???????????
??????????ĥ?Ǥ??ʤ??????? NULL
?????֤??ޤ???
??Ϣ????malloc(9)?????????????????? FreeBSD 3.0 ?ǤϤ??????о줷?ޤ????? ?????֥??????????Ȥ??Ƥε?ǽ?Τ??ᡢ FreeBSD 5.0 ?Ǻ???Ū???ѹ??????ޤ??????????????????????? John S. Dyson ???ޤ????? ?????????????ϡ??????֥??????????Ȥ??Ƥε?ǽ?Τ??ᡢ Jeff Roberson ⟨jeff@FreeBSD.org⟩ ??????ʬ??????ľ???ޤ????????Υޥ˥奢???ڡ????? Dag-Erling Smørgrav ⟨des@FreeBSD.org⟩ ???ޤ????? UMA ?Τ????? Jeroen Ruigrok van der Werven ⟨asmodai@FreeBSD.org⟩ ???ѹ????ޤ?????
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