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Message-ID: <20171218204052.GR16951@dhcp22.suse.cz> Date: Mon, 18 Dec 2017 21:41:25 +0100 From: Michal Hocko <mhocko@...nel.org> To: Andrei Vagin <avagin@...nvz.org> Cc: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org Subject: Re: [PATCH] mm: don't use the same value for MAP_FIXED_SAFE and MAP_SYNC On Mon 18-12-17 10:49:16, Andrei Vagin wrote: > Cc: Michal Hocko <mhocko@...nel.org> > Fixes: ("fs, elf: drop MAP_FIXED usage from elf_map") > Signed-off-by: Andrei Vagin <avagin@...nvz.org> > --- > include/uapi/asm-generic/mman-common.h | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h > index b37502cbbef7..2db3fa287274 100644 > --- a/include/uapi/asm-generic/mman-common.h > +++ b/include/uapi/asm-generic/mman-common.h > @@ -26,7 +26,9 @@ > #else > # define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ > #endif > -#define MAP_FIXED_SAFE 0x80000 /* MAP_FIXED which doesn't unmap underlying mapping */ > + > +/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */ > +#define MAP_FIXED_SAFE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ Ouch, I was developing on top of mmotm which didn't have the new the new MAP_SYNC. Thanks for catching that. Andrew, could you fold this into the patch, please? -- Michal Hocko SUSE Labs
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