linux-5.15/per_cpu_pages_init() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-5.15/per_cpu_pages_init() へ行く。
• linux-5.15/per_cpu_pages_init() の差分を削除

#author("2025-09-16T10:08:14+09:00","default:guest","guest")

#author("2025-09-16T10:10:51+09:00","default:guest","guest")
*参照元 [#kb5f0b01]
#backlinks

*説明 [#jd9aba58]
-パス: [[linux-5.15/]]
-パス: [[linux-5.15/mm/page_alloc.c]]

-FIXME: これは何？
--説明


**引数 [#ca4f15a9]
-
--

**返り値 [#vd2fe834]
-
--

**参考 [#i7b9c859]


*実装 [#g82f9640]

-
--[[linux-5.15/]]
 static void per_cpu_pages_init(struct per_cpu_pages *pcp, struct per_cpu_zonestat *pzstats)
 {
 	int pindex;
 
 	memset(pcp, 0, sizeof(*pcp));
 	memset(pzstats, 0, sizeof(*pzstats));
 
 	for (pindex = 0; pindex < NR_PCP_LISTS; pindex++)
 		INIT_LIST_HEAD(&pcp->lists[pindex]);
 
 	/*
 	 * Set batch and high values safe for a boot pageset. A true percpu
 	 * pageset's initialization will update them subsequently. Here we don't
 	 * need to be as careful as pageset_update() as nobody can access the
 	 * pageset yet.
 	 */
 	pcp->high = BOOT_PAGESET_HIGH;
 	pcp->batch = BOOT_PAGESET_BATCH;
 	pcp->free_factor = 0;
 }

-BOOT_PAGESET_HIGHは0固定、BOOT_PAGESET_BATCHは1固定。
--[[linux-5.15/INIT_LIST_HEAD()]]


*コメント [#tae56487]