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<20200603032219.GA548147@carbon.lan> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 1ntn9O/39KqSrWNGvm+1raHK+Ev1yPtn0Wxn+0oy1tl67TxUjQARAQABtClNYXR0aGlhcyBC cnVnZ2VyIDxtYXR0aGlhcy5iZ2dAZ21haWwuY29tPokCUgQTAQIAPAIbAwYLCQgHAwIGFQgC 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(BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200607_131441_363526_FBEF0FB4 X-CRM114-Status: GOOD ( 17.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: catalin.marinas@arm.com, john.garry@huawei.com, linux-kernel@vger.kernel.org, linuxarm@huawei.com, iommu@lists.linux-foundation.org, prime.zeng@hisilicon.com, Jonathan.Cameron@huawei.com, robin.murphy@arm.com, hch@lst.de, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 03/06/2020 05:22, Roman Gushchin wrote: > On Wed, Jun 03, 2020 at 02:42:30PM +1200, Barry Song wrote: >> hugetlb_cma_reserve() is called at the wrong place. numa_init has not been >> done yet. so all reserved memory will be located at node0. >> >> Cc: Roman Gushchin >> Signed-off-by: Barry Song > > Acked-by: Roman Gushchin > When did this break or was it broken since the beginning? In any case, could you provide a "Fixes" tag for it, so that it can easily be backported to older releases. Regards, Matthias > Thanks! > >> --- >> arch/arm64/mm/init.c | 10 +++++----- >> 1 file changed, 5 insertions(+), 5 deletions(-) >> >> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c >> index e42727e3568e..8f0e70ebb49d 100644 >> --- a/arch/arm64/mm/init.c >> +++ b/arch/arm64/mm/init.c >> @@ -458,11 +458,6 @@ void __init arm64_memblock_init(void) >> high_memory = __va(memblock_end_of_DRAM() - 1) + 1; >> >> dma_contiguous_reserve(arm64_dma32_phys_limit); >> - >> -#ifdef CONFIG_ARM64_4K_PAGES >> - hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT); >> -#endif >> - >> } >> >> void __init bootmem_init(void) >> @@ -478,6 +473,11 @@ void __init bootmem_init(void) >> min_low_pfn = min; >> >> arm64_numa_init(); >> + >> +#ifdef CONFIG_ARM64_4K_PAGES >> + hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT); >> +#endif >> + >> /* >> * Sparsemem tries to allocate bootmem in memory_present(), so must be >> * done after the fixed reservations. >> -- >> 2.23.0 >> >> > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel