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: Sun, 26 Oct 2014 14:43:52 +0200 From: Laurent Pinchart <laurent.pinchart@...asonboard.com> To: Michal Nazarewicz <mina86@...a86.com> Cc: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-sh@...r.kernel.org, Marek Szyprowski <m.szyprowski@...sung.com>, Russell King - ARM Linux <linux@....linux.org.uk>, Joonsoo Kim <iamjoonsoo.kim@....com>, Weijie Yang <weijie.yang.kh@...il.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH v2 3/4] mm: cma: Ensure that reservations never cross the low/high mem boundary On Friday 24 October 2014 18:26:58 Michal Nazarewicz wrote: > On Fri, Oct 24 2014, Laurent Pinchart wrote: > > Commit 95b0e655f914 ("ARM: mm: don't limit default CMA region only to > > low memory") extended CMA memory reservation to allow usage of high > > memory. It relied on commit f7426b983a6a ("mm: cma: adjust address limit > > to avoid hitting low/high memory boundary") to ensure that the reserved > > block never crossed the low/high memory boundary. While the > > implementation correctly lowered the limit, it failed to consider the > > case where the base..limit range crossed the low/high memory boundary > > with enough space on each side to reserve the requested size on either > > low or high memory. > > > > Rework the base and limit adjustment to fix the problem. The function > > now starts by rejecting the reservation altogether for fixed > > reservations that cross the boundary, tries to reserve from high memory > > first and then falls back to low memory. > > > > Signed-off-by: Laurent Pinchart > > <laurent.pinchart+renesas@...asonboard.com> > > Acked-by: Michal Nazarewicz <mina86@...a86.com> Thank you. Can we get this series merged in v3.18-rc ? -- Regards, Laurent Pinchart -- 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