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Date: Wed, 4 Nov 2015 11:36:07 -0800 From: Daniel Cashman <dcashman@...roid.com> To: "Eric W. Biederman" <ebiederm@...ssion.com>, Michal Hocko <mhocko@...nel.org> Cc: linux-kernel@...r.kernel.org, linux@....linux.org.uk, akpm@...ux-foundation.org, keescook@...omium.org, mingo@...nel.org, linux-arm-kernel@...ts.infradead.org, corbet@....net, dzickus@...hat.com, xypron.glpk@....de, jpoimboe@...hat.com, kirill.shutemov@...ux.intel.com, n-horiguchi@...jp.nec.com, aarcange@...hat.com, mgorman@...e.de, tglx@...utronix.de, rientjes@...gle.com, linux-mm@...ck.org, linux-doc@...r.kernel.org, salyzyn@...roid.com, jeffv@...gle.com, nnk@...gle.com, dcashman <dcashman@...gle.com> Subject: Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. On 11/4/15 11:21 AM, Eric W. Biederman wrote: > Michal Hocko <mhocko@...nel.org> writes: > >> On Tue 03-11-15 10:10:03, Daniel Cashman wrote: >> [...] >>> +This value can be changed after boot using the >>> +/proc/sys/kernel/mmap_rnd_bits tunable >> >> Why is this not sitting in /proc/sys/vm/ where we already have >> mmap_min_addr. These two sound like they should sit together, no? > > Ugh. Yes. Moving that file before it becomes part of the ABI sounds > like a good idea. Daniel when you get around to v3 please move the > file. To answer the first question: it was put there because that's where randomize_va_space is located, which seemed to me to be the most-related/similar option. That being said, moving it under vm works too. Will change for patch-set 3. Thank You, Dan -- 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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