From mboxrd@z Thu Jan 1 00:00:00 1970 From: marex@denx.de (Marek Vasut) Date: Fri, 3 Aug 2012 20:46:27 +0200 Subject: [PATCH] MXS: Fix mxs_defconfig MMAP_MIN_ADDR In-Reply-To: <20120803174016.GE10335@n2100.arm.linux.org.uk> References: <1344009354-13249-1-git-send-email-marex@denx.de> <20120803174016.GE10335@n2100.arm.linux.org.uk> Message-ID: <201208032046.28211.marex@denx.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Russell King - ARM Linux, [...] > > > No need to set it to 32768. > > > > > > If you just remove the 'CONFIG_DEFAULT_MMAP_MIN_ADDR=65536' then this > > > symbol will be 32768. > > > > Sorry, ignore what I said. I just realized that the default is 4096. > > 4096 is also fine for ARM too. There's not much point in having > defconfigs change it - that would just be pure noise in the config > files. Wasn't there a security concern being the reason for setting this higher? Also, I still don't completely understand why ARM has to set it lower than others, is that an ABI thing? Russell, do you happen to have some further reading for me I could study on this topic please? Thanks! Best regards, Marek Vasut