From: Oscar Salvador <osalvador@techadventures.net>
To: Baoquan He <bhe@redhat.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
dave.hansen@intel.com, pagupta@redhat.com,
Pavel Tatashin <pasha.tatashin@oracle.com>,
linux-mm@kvack.org, kirill.shutemov@linux.intel.com
Subject: Re: [PATCH v6 3/5] mm/sparse: Add a new parameter 'data_unit_size' for alloc_usemap_and_memmap
Date: Thu, 28 Jun 2018 15:08:04 +0200 [thread overview]
Message-ID: <20180628130804.GA13985@techadventures.net> (raw)
In-Reply-To: <20180628062857.29658-4-bhe@redhat.com>
On Thu, Jun 28, 2018 at 02:28:55PM +0800, Baoquan He wrote:
> alloc_usemap_and_memmap() is passing in a "void *" that points to
> usemap_map or memmap_map. In next patch we will change both of the
> map allocation from taking 'NR_MEM_SECTIONS' as the length to taking
> 'nr_present_sections' as the length. After that, the passed in 'void*'
> needs to update as things get consumed. But, it knows only the
> quantity of objects consumed and not the type. This effectively
> tells it enough about the type to let it update the pointer as
> objects are consumed.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2018-06-28 13:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-28 6:28 [PATCH v6 0/5] mm/sparse: Optimize memmap allocation during sparse_init() Baoquan He
2018-06-28 6:28 ` [PATCH v6 1/5] mm/sparse: Add a static variable nr_present_sections Baoquan He
2018-06-28 11:24 ` Oscar Salvador
2018-06-28 6:28 ` [PATCH v6 2/5] mm/sparsemem: Defer the ms->section_mem_map clearing Baoquan He
2018-06-28 11:19 ` Oscar Salvador
2018-06-28 6:28 ` [PATCH v6 3/5] mm/sparse: Add a new parameter 'data_unit_size' for alloc_usemap_and_memmap Baoquan He
2018-06-28 13:08 ` Oscar Salvador [this message]
2018-06-28 6:28 ` [PATCH v6 4/5] mm/sparse: Optimize memmap allocation during sparse_init() Baoquan He
2018-06-28 12:09 ` Oscar Salvador
2018-06-28 12:12 ` Pavel Tatashin
2018-06-28 13:12 ` Oscar Salvador
2018-06-28 14:05 ` Dave Hansen
2018-06-28 14:09 ` Pavel Tatashin
2018-06-28 6:28 ` [PATCH v6 5/5] mm/sparse: Remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER Baoquan He
2018-06-28 12:15 ` Pavel Tatashin
2018-07-11 22:26 ` [v6,5/5] " Guenter Roeck
2018-07-08 2:09 ` [PATCH v6 0/5] mm/sparse: Optimize memmap allocation during sparse_init() Baoquan He
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