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Message-Id: <20080403143910.D1F8.E1E9C6FF@jp.fujitsu.com> Date: Thu, 03 Apr 2008 14:40:18 +0900 From: Yasunori Goto <y-goto@...fujitsu.com> To: Badari Pulavarty <pbadari@...ibm.com> Cc: Andrew Morton <akpm@...l.org>, Linux Kernel ML <linux-kernel@...r.kernel.org>, Yinghai Lu <yhlu.kernel@...il.com>, linux-mm <linux-mm@...ck.org> Subject: [Patch 002/005](memory hotplug) align memmap to page size To free memmap easier, this patch aligns it to page size. Bootmem allocater may mix some objects in one pages. It's not good for freeing memmap of memory hot-remove. Signed-off-by: Yasunori Goto <y-goto@...fujitsu.com> mm/sparse.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: current/mm/sparse.c =================================================================== --- current.orig/mm/sparse.c 2008-04-01 20:56:45.000000000 +0900 +++ current/mm/sparse.c 2008-04-01 20:58:52.000000000 +0900 @@ -263,8 +263,8 @@ if (map) return map; - map = alloc_bootmem_node(NODE_DATA(nid), - sizeof(struct page) * PAGES_PER_SECTION); + map = alloc_bootmem_pages_node(NODE_DATA(nid), + PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION)); return map; } #endif /* !CONFIG_SPARSEMEM_VMEMMAP */ -- Yasunori Goto -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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