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From: Christoph Hellwig <hch@infradead.org>
To: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, ast@kernel.org,
	daniel@iogearbox.net, kernel-team@fb.com,
	akpm@linux-foundation.org, rick.p.edgecombe@intel.com,
	hch@infradead.org, imbrenda@linux.ibm.com, mcgrof@kernel.org
Subject: Re: [PATCH v3 bpf RESEND 2/4] page_alloc: use __vmalloc_huge for large system hash
Date: Thu, 14 Apr 2022 23:32:03 -0700	[thread overview]
Message-ID: <YlkRY8QfAdNk+Oso@infradead.org> (raw)
In-Reply-To: <20220414195914.1648345-3-song@kernel.org>

On Thu, Apr 14, 2022 at 12:59:12PM -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.

Looks good (modulo the possible naming chane suggested in patch 1):

Reviewed-by: Christoph Hellwig <hch@lst.de>


  reply	other threads:[~2022-04-15  6:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-14 19:59 [PATCH v3 bpf RESEND 0/4] vmalloc: bpf: introduce VM_ALLOW_HUGE_VMAP Song Liu
2022-04-14 19:59 ` [PATCH v3 bpf RESEND 1/4] vmalloc: replace VM_NO_HUGE_VMAP with VM_ALLOW_HUGE_VMAP Song Liu
2022-04-15  6:31   ` Christoph Hellwig
2022-04-14 19:59 ` [PATCH v3 bpf RESEND 2/4] page_alloc: use __vmalloc_huge for large system hash Song Liu
2022-04-15  6:32   ` Christoph Hellwig [this message]
2022-04-15 16:57     ` Song Liu
2022-04-14 19:59 ` [PATCH v3 bpf RESEND 3/4] module: introduce module_alloc_huge Song Liu
2022-04-14 20:34   ` Luis Chamberlain
2022-04-14 21:03     ` Song Liu
2022-04-14 21:11       ` Luis Chamberlain
2022-04-14 21:31         ` Song Liu
2022-04-15 19:03           ` Luis Chamberlain
2022-04-15  6:32   ` Christoph Hellwig
2022-04-15 15:59     ` Song Liu
2022-04-14 19:59 ` [PATCH v3 bpf RESEND 4/4] bpf: use module_alloc_huge for bpf_prog_pack Song Liu

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