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Date: Tue, 24 Jun 2014 09:33:46 +0900 From: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com> To: Toshi Kani <toshi.kani@...com> CC: <akpm@...ux-foundation.org>, <tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com>, <tangchen@...fujitsu.com>, <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>, <x86@...nel.org>, <guz.fnst@...fujitsu.com>, <zhangyanfei@...fujitsu.com> Subject: Re: [PATCH 1/2] x86,mem-hotplug: pass sync_global_pgds() a correct argument in remove_pagetable() (2014/06/21 3:27), Toshi Kani wrote: > On Wed, 2014-06-18 at 15:37 +0900, Yasuaki Ishimatsu wrote: >> remove_pagetable() gets start argument and passes the argument to >> sync_global_pgds(). In this case, the argument must not be modified. >> If the argument is modified and passed to sync_global_pgds(), >> sync_global_pgds() does not correctly synchronize PGD to PGD entries >> of all processes MM since synchronized range of memory [start, end] >> is wrong. >> >> Unfortunately the start argument is modified in remove_pagetable(). >> So this patch fixes the issue. >> >> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com> > > Acked-by: Toshi Kani <toshi.kani@...com> Thank you for your review. Thanks, Yasuak Ishimatsu > > Thanks, > -Toshi > > -- 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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