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s=arc-20220608; d=hostedemail.com; t=1765895204; a=rsa-sha256; cv=none; b=uR7sisDWAtvXW5v/zQH86gYzYlkMXCu/sEvfTjes1hcjfByTD2ZojEw/kLZZgxfEopdBek OMZNofr2+OyvP4/MnoU2ibE9/sSX+N2+bPU5fJwplb7E1qRan3blvs89q4NVdpwV4IMVU4 X+ibfGblmwlR65U/BIhRrvjnUOReC1Q= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=none; spf=pass (imf19.hostedemail.com: domain of kevin.brodsky@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=kevin.brodsky@arm.com; dmarc=pass (policy=none) header.from=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 66CE41516; Tue, 16 Dec 2025 06:26:36 -0800 (PST) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C36F83F694; Tue, 16 Dec 2025 06:26:41 -0800 (PST) From: Kevin Brodsky To: linux-mm@kvack.org, linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Mark Brown , Ryan Roberts , Shuah Khan , Paolo Abeni , Yunsheng Lin Subject: [PATCH 1/4] selftests/mm: remove flaky header check Date: Tue, 16 Dec 2025 14:26:30 +0000 Message-ID: <20251216142633.2401447-2-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251216142633.2401447-1-kevin.brodsky@arm.com> References: <20251216142633.2401447-1-kevin.brodsky@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 54s8h5jdprt97613rb8ejpu3drjnqqz4 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 7C5E31A0017 X-Rspam-User: X-HE-Tag: 1765895204-318950 X-HE-Meta: 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 PpjSq1kS rKDKZZmGPTh8G6/Oc6mrbCg7lfJHCZS5ce7z7qR6OEHILL01WoSqeVrfNu3fTicHyGqeP8mkNb+P8WIk9Rs2TTOrCYclrEv9YMEdO6XQZiwmWcnKASbm02t6SVm/+CHHplxuoNC7qhDP6L4ceUdBgOj7TJ+L2RU1h85IO3OgCGRNx76Pvxu83hdfu2qC91VM0UOlj39UUZK0k/RY= 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: List-Subscribe: List-Unsubscribe: Commit 96ed62ea0298 ("mm: page_frag: fix a compile error when kernel is not compiled") introduced a check to avoid attempting to build the page_frag module if is missing. Unfortunately this check only works if KDIR points to /lib/modules/... or an in-tree kernel build. It always fails if KDIR points to an out-of-tree build (i.e. when the kernel was built with O=$KDIR make) because only generated headers are present under $KDIR/include/ in that case. was added more than a year ago (v6.13) so we can probably live without that check. Cc: Paolo Abeni Cc: Yunsheng Lin Signed-off-by: Kevin Brodsky --- tools/testing/selftests/mm/Makefile | 4 ---- 1 file changed, 4 deletions(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index eaf9312097f7..aba51fcac752 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -46,12 +46,8 @@ CFLAGS += -U_FORTIFY_SOURCE KDIR ?= /lib/modules/$(shell uname -r)/build ifneq (,$(wildcard $(KDIR)/Module.symvers)) -ifneq (,$(wildcard $(KDIR)/include/linux/page_frag_cache.h)) TEST_GEN_MODS_DIR := page_frag else -PAGE_FRAG_WARNING = "missing page_frag_cache.h, please use a newer kernel" -endif -else PAGE_FRAG_WARNING = "missing Module.symvers, please have the kernel built first" endif -- 2.51.2