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Sun, 29 Sep 2024 12:23:56 -0400 X-MC-Unique: tkQbRKi6PLCw7rqkKvo90Q-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3579B195394C; Sun, 29 Sep 2024 16:23:55 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.45.224.151]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1228C3003E4D; Sun, 29 Sep 2024 16:23:53 +0000 (UTC) From: Florian Weimer To: libc-alpha@sourceware.org Cc: Peter Bergner Subject: [PATCH v3 15/29] powerpc: Add In-Reply-To: Message-ID: References: X-From-Line: ad4e04090afc7409127ad85f3ce77f0ab67b80bf Mon Sep 17 00:00:00 2001 Date: Sun, 29 Sep 2024 18:23:50 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-10.8 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org According to arch/powerpc/Kconfig in the Linux kernel sources, PowerPC supports page sizes up to 256 KiB. However, in practice, only page sizes up to 64 KiB are used, especially on 64-bit targets. If 256 KiB page support is needed, it is probably best to add a configure check for linker LOAD segment alignment and generate a file that has 256 KiB as the maximum page size. Regular toolchain defaults only support 64 KiB as the maximum page size. Reviewed-by: Peter Bergner --- sysdeps/powerpc/bits/pagesize.h | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 sysdeps/powerpc/bits/pagesize.h diff --git a/sysdeps/powerpc/bits/pagesize.h b/sysdeps/powerpc/bits/pagesize.h new file mode 100644 index 0000000000..cd688d3fb0 --- /dev/null +++ b/sysdeps/powerpc/bits/pagesize.h @@ -0,0 +1,2 @@ +#define __GLIBC_PAGE_SHIFT_MIN 12 +#define __GLIBC_PAGE_SHIFT_MAX 16