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Date: Sat, 15 Mar 2008 04:08:29 +0100 From: Johannes Weiner <hannes@...urebad.de> To: "Yinghai Lu" <yhlu.kernel@...il.com> Cc: "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>, "Andrew Morton" <akpm@...ux-foundation.org>, "Ingo Molnar" <mingo@...e.hu>, "Andi Kleen" <ak@...e.de>, "Christoph Lameter" <clameter@....com>, linux-kernel@...r.kernel.org, "Yasunori Goto" <y-goto@...fujitsu.com> Subject: Re: [PATCH] mm: make reserve_bootmem can crossed the nodes Hi, "Yinghai Lu" <yhlu.kernel@...il.com> writes: > On Thu, Mar 13, 2008 at 7:58 PM, Johannes Weiner <hannes@...urebad.de> wrote: >> Hi, >> >> >> KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> writes: >> >> > Background: >> > - reserve_bootmem is called for *reserve* memory before bootmem allocator. >> > - It specifies <address, size>. >> > - Because <addrees, size> are argments, memory hole in <address, size> is not >> > problem here. >> > >> > Before change, >> > - reseve_bootmem() only works for Node(0) >> > >> > After change >> > - reserve_bootmem() works on sutiable nodes for <address, size> >> > - It can spread accross among prural nodes. >> >> After the change it will iterate over all nodes, reserving the range >> `address to address+size' on each of them. > > + /* out of range */ > + if (addr >= bdata->node_boot_start && addr < bdata->last_success) > + return; > > out of range will bail out... Sorry, I did not see that. Hannes -- 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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