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Sat, 18 May 2024 11:58:23 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id D999B134C3; Sat, 18 May 2024 11:58:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id ANmPMt6XSGb8MwAAD6G6ig (envelope-from ); Sat, 18 May 2024 11:58:22 +0000 From: Oscar Salvador To: linux-sh@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , John Paul Adrian Glaubitz , Geert Uytterhoeven , Oscar Salvador Subject: [PATCH 1/2] arch/sh: Remove code that handles memory-hotplug and memory-hotremove Date: Sat, 18 May 2024 13:58:07 +0200 Message-ID: <20240518115808.8888-2-osalvador@suse.de> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240518115808.8888-1-osalvador@suse.de> References: <20240518115808.8888-1-osalvador@suse.de> MIME-Version: 1.0 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Rspam-User: X-Stat-Signature: pit5gseieh8rqicoj7pmb8ncr1ab691r X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: E2092120016 X-HE-Tag: 1716033504-986799 X-HE-Meta: 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 ei/7kGwr JhmWGnRCevr69MUtB8NnJkr04bgAyqW2+n1X0i4YNXIWyQsGoDD//DYAGCiq+K8dYpA3KH2e36mVPL53vc3KP1lIR2qJ2Chb8txoQRhjqMWicQhBlU/oljRtReaQnPN6rljnsViKo7y8EYOVQGYQ3ERU+3f6BBtsANFPQMWLM3kypvMIutu86A5cNxtorAu37pyb0VijldMW2tEo= 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: Since commit 7ec58a2b941ed889("mm/memory_hotplug: restrict CONFIG_MEMORY_HOTPLUG to 64 bit"), we only support memory-hotplug on 64bits platforms, but currently superH can only run on 32bit, so remove the code that handles memory-hotplug and memory-hotremove as that cannot work. Signed-off-by: Oscar Salvador Reviewed-by: John Paul Adrian Glaubitz --- arch/sh/mm/init.c | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index bf1b54055316..d1fe90b2f5ff 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -395,31 +395,3 @@ void __init mem_init(void) mem_init_done = 1; } - -#ifdef CONFIG_MEMORY_HOTPLUG -int arch_add_memory(int nid, u64 start, u64 size, - struct mhp_params *params) -{ - unsigned long start_pfn = PFN_DOWN(start); - unsigned long nr_pages = size >> PAGE_SHIFT; - int ret; - - if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot)) - return -EINVAL; - - /* We only have ZONE_NORMAL, so this is easy.. */ - ret = __add_pages(nid, start_pfn, nr_pages, params); - if (unlikely(ret)) - printk("%s: Failed, __add_pages() == %d\n", __func__, ret); - - return ret; -} - -void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap) -{ - unsigned long start_pfn = PFN_DOWN(start); - unsigned long nr_pages = size >> PAGE_SHIFT; - - __remove_pages(start_pfn, nr_pages, altmap); -} -#endif /* CONFIG_MEMORY_HOTPLUG */