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Date: Fri, 15 Apr 2022 17:43:44 +0000 From: Rik van Riel <riel@...com> To: "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "song@...nel.org" <song@...nel.org>, "bpf@...r.kernel.org" <bpf@...r.kernel.org> CC: "rick.p.edgecombe@...el.com" <rick.p.edgecombe@...el.com>, "hch@....de" <hch@....de>, "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>, "daniel@...earbox.net" <daniel@...earbox.net>, "hch@...radead.org" <hch@...radead.org>, "mcgrof@...nel.org" <mcgrof@...nel.org>, "ast@...nel.org" <ast@...nel.org>, Kernel Team <Kernel-team@...com>, "imbrenda@...ux.ibm.com" <imbrenda@...ux.ibm.com> Subject: Re: [PATCH v4 bpf 2/4] page_alloc: use vmalloc_huge for large system hash On Fri, 2022-04-15 at 09:44 -0700, Song Liu wrote: > Use vmalloc_huge() in alloc_large_system_hash() so that large system > hash > (>= PMD_SIZE) could benefit from huge pages. Note that vmalloc_huge > only > allocates huge pages for systems with HAVE_ARCH_HUGE_VMALLOC. > > Reviewed-by: Christoph Hellwig <hch@....de> > Signed-off-by: Song Liu <song@...nel.org> Reviewed-by: Rik van Riel <riel@...riel.com>
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