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d=collabora.com; s=mail; t=1697098655; bh=vTyt7TX3DQPFdic8eB59rza9v8LPVCGALn0DN3U7wgU=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=mRXVtGmXf2LRNZ9ly0IQErkYho8It0SyLVNULBWfzX0YFL1W2hY/yg2lSAn+/55zT N24wZrYkKYycpSXYUc7GgPIShtLF6hpN85bG2QtUiZftzg6hTR00z/G62cY0R6tYm2 PIQBMzcKgbaPiMzM1QukZTki9x7n7tHV24I1trzXvqSfcOliqvitWRH7oy0bf7GjPs AIH9LqcgzcDyTUgu3WXM5IuycqyMAPO5npLsvssEl1rzlokWBlKem6IbjQV1OpKfjP Do+bW3xd8H17elg8y/Ak7MEYyECN9sYIvQRG2KY+ZzBN/EHfx9SFDhM4ScZvL27N+l xjebSRrsBx3vQ== Message-ID: <018dfa44-785c-403a-a085-c13ee73933df@collabora.com> Date: Thu, 12 Oct 2023 13:17:27 +0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: Muhammad Usama Anjum , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] selftests/mm: include mman header to access MREMAP_DONTUNMAP identifier Content-Language: en-US To: Samasth Norway Ananda , akpm@linux-foundation.org, shuah@kernel.org References: <20231012064048.433346-1-samasth.norway.ananda@oracle.com> <3be75492-36e7-4ffe-ab0e-ef583b801af1@collabora.com> From: Muhammad Usama Anjum In-Reply-To: <3be75492-36e7-4ffe-ab0e-ef583b801af1@collabora.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 78FB5180009 X-Rspam-User: X-Stat-Signature: buxiakjbjni43yamd9u9bgwhbp761u9p X-Rspamd-Server: rspam03 X-HE-Tag: 1697098656-229925 X-HE-Meta: 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 3m+ykkEO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 10/12/23 1:06 PM, Muhammad Usama Anjum wrote: > On 10/12/23 11:40 AM, Samasth Norway Ananda wrote: >> Definition for MREMAP_DONTUNMAP not present in the selftest for >> mremap_dontunmap thus throwing an undeclared error when running make >> on mm. > Thanks for sending the patch. > > You have mentioned in other email that MREMAP_DONTUNMAP isn't present in > glibc older than 2.32. So including linux/mman.h solves the build error for > people having older glibc. Please add this to the description of the patch > to give the exact reason this patch should be accepted. > >> >> Fixes: 0183d777c29a ("selftests: mm: remove duplicate unneeded defines") >> Reported-by: Linux Kernel Functional Testing >> Closes: https://lore.kernel.org/linux-mm/CA+G9fYvV-71XqpCr_jhdDfEtN701fBdG3q+=bafaZiGwUXy_aA@mail.gmail.com/ >> Signed-off-by: Samasth Norway Ananda >> --- >> tools/testing/selftests/mm/mremap_dontunmap.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/tools/testing/selftests/mm/mremap_dontunmap.c b/tools/testing/selftests/mm/mremap_dontunmap.c >> index ca2359835e75..a06e73ec8568 100644 >> --- a/tools/testing/selftests/mm/mremap_dontunmap.c >> +++ b/tools/testing/selftests/mm/mremap_dontunmap.c >> @@ -7,6 +7,7 @@ >> */ >> #define _GNU_SOURCE >> #include >> +#include >> #include >> #include >> #include > Tested-by: Muhammad Usama Anjum Just to add more context, the build error doesn't trigger on latest glibc. I've tested building this test with glic 2.31 and there is build error. This patch fixes the build error. > -- BR, Muhammad Usama Anjum