lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 26 Jun 2012 23:16:24 -0700 (PDT) From: David Rientjes <rientjes@...gle.com> To: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com> cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org, len.brown@...el.com, benh@...nel.crashing.org, paulus@...ba.org, cl@...ux.com, minchan.kim@...il.com, akpm@...ux-foundation.org, kosaki.motohiro@...fujitsu.com, wency@...fujitsu.com Subject: Re: [RFC PATCH 2/12] memory-hogplug : check memory offline in offline_pages On Wed, 27 Jun 2012, Yasuaki Ishimatsu wrote: > Index: linux-3.5-rc4/mm/memory_hotplug.c > =================================================================== > --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-06-26 13:28:16.743211538 +0900 > +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-06-26 13:48:38.264940468 +0900 > @@ -887,6 +887,11 @@ static int __ref offline_pages(unsigned > > lock_memory_hotplug(); > > + if (memory_is_offline(start_pfn, end_pfn)) { > + ret = 0; > + goto out; > + } > + > zone = page_zone(pfn_to_page(start_pfn)); > node = zone_to_nid(zone); > nr_pages = end_pfn - start_pfn; Are there additional prerequisites for this patch? Otherwise it changes the return value of offline_memory() which will now call acpi_memory_powerdown_device() in the acpi memhotplug case when disabling. Is that a problem? -- 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/
Powered by blists - more mailing lists