From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45E741D6DB4 for ; Tue, 13 May 2025 06:54:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747119279; cv=none; b=EbHzjm/AAqFMKGEjr658uycSK8OcaDPUCax9MEJur6DhF7e6LNGLzOPnUe+iBcjnltROgif1+upGvhReBTMDLacQYBiFH3UlZCuwpHEnOIh7pZyg6yMDNxE+UbHS6uA3ffLJc1x/LOEWAUwGImdae6XPetYxaVCRW8Q7flJ8/Bo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747119279; c=relaxed/simple; bh=AvP++gXNBMADhQkGv8q3AGUEsy0f/OrerdAM8fZAPCs=; h=Date:To:From:Subject:Message-Id; b=uFni/6O99JFBm0wR2Y9VS5erscwqunBFVr8Xg0hKJ3UObjd5mmTachwnMrs0Eqlvx7R8gn6+/yPETLsxd5yDoI+Cj0EqQnl41w9pGpf7eWtGL9KntBQ11okMTMSCbf1D2V4atMqT5hdeuqfQHGWp+EjehZhYGxDnX22d4WnZXhw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=uDl8mfkj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="uDl8mfkj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13182C4CEE4; Tue, 13 May 2025 06:54:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1747119279; bh=AvP++gXNBMADhQkGv8q3AGUEsy0f/OrerdAM8fZAPCs=; h=Date:To:From:Subject:From; b=uDl8mfkjIgAf1yV0KEKDYALRLCD71KBb9RfveGaVcs3yniUj6JHs5sJFHUYaUSq1d PeLkuFx1F0ZghaNm2tZQ4IY4JEeFwy0U1NDcMAuQy9hlz1xbQ5ZFMEpQ5ZtQRUI/Ce 3SoBXAdz8LjfWO0opnUmH4c/nbsP+kaQOohlBkHQ= Date: Mon, 12 May 2025 23:54:38 -0700 To: mm-commits@vger.kernel.org,will@kernel.org,rppt@kernel.org,maz@kernel.org,mark.rutland@arm.com,lrh2000@pku.edu.cn,lorenzo.stoakes@oracle.com,david@redhat.com,catalin.marinas@arm.com,ardb@kernel.org,anshuman.khandual@arm.com,dwmw@amazon.co.uk,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-implement-for_each_valid_pfn-for-config_flatmem.patch removed from -mm tree Message-Id: <20250513065439.13182C4CEE4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: implement for_each_valid_pfn() for CONFIG_FLATMEM has been removed from the -mm tree. Its filename was mm-implement-for_each_valid_pfn-for-config_flatmem.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: David Woodhouse Subject: mm: implement for_each_valid_pfn() for CONFIG_FLATMEM Date: Wed, 23 Apr 2025 14:33:38 +0100 In the FLATMEM case, the default pfn_valid() just checks that the PFN is within the range [ ARCH_PFN_OFFSET .. ARCH_PFN_OFFSET + max_mapnr ). The for_each_valid_pfn() function can therefore be a simple for() loop using those as min/max respectively. Link: https://lkml.kernel.org/r/20250423133821.789413-3-dwmw2@infradead.org Signed-off-by: David Woodhouse Reviewed-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Cc: Anshuman Khandual Cc: Ard Biesheuvel Cc: Catalin Marinas Cc: Marc Rutland Cc: Marc Zyngier Cc: Ruihan Li Cc: Will Deacon Cc: Lorenzo Stoakes Signed-off-by: Andrew Morton --- include/asm-generic/memory_model.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) --- a/include/asm-generic/memory_model.h~mm-implement-for_each_valid_pfn-for-config_flatmem +++ a/include/asm-generic/memory_model.h @@ -30,7 +30,15 @@ static inline int pfn_valid(unsigned lon return pfn >= pfn_offset && (pfn - pfn_offset) < max_mapnr; } #define pfn_valid pfn_valid -#endif + +#ifndef for_each_valid_pfn +#define for_each_valid_pfn(pfn, start_pfn, end_pfn) \ + for ((pfn) = max_t(unsigned long, (start_pfn), ARCH_PFN_OFFSET); \ + (pfn) < min_t(unsigned long, (end_pfn), \ + ARCH_PFN_OFFSET + max_mapnr); \ + (pfn)++) +#endif /* for_each_valid_pfn */ +#endif /* valid_pfn */ #elif defined(CONFIG_SPARSEMEM_VMEMMAP) _ Patches currently in -mm which might be from dwmw@amazon.co.uk are