From: Pavel Tatashin <pasha.tatashin@oracle.com>
To: bhe@redhat.com
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
dave.hansen@intel.com, pagupta@redhat.com,
osalvador@techadventures.net,
Linux Memory Management List <linux-mm@kvack.org>,
kirill.shutemov@linux.intel.com
Subject: Re: [PATCH v6 5/5] mm/sparse: Remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
Date: Thu, 28 Jun 2018 08:15:17 -0400 [thread overview]
Message-ID: <CAGM2reb1=f6mhfuLSWGo2BSSdpherEsRB9-u87b2Q5eT11tJUg@mail.gmail.com> (raw)
In-Reply-To: <20180628062857.29658-6-bhe@redhat.com>
On Thu, Jun 28, 2018 at 2:29 AM Baoquan He <bhe@redhat.com> wrote:
>
> Pavel pointed out that the behaviour of allocating memmap together
> for one node should be defaulted for all ARCH-es. It won't break
> anything because it will drop to the fallback action to allocate
> imemmap for each section at one time if failed on large chunk of
> memory.
>
> So remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER and clean up the
> related codes.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com>
next prev parent reply other threads:[~2018-06-28 12:16 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
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 [this message]
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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