From: Oscar Salvador <osalvador@suse.de>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>,
duanxiongchun@bytedance.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, corbet@lwn.net,
mike.kravetz@oracle.com, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, x86@kernel.org, hpa@zytor.com,
dave.hansen@linux.intel.com, luto@kernel.org,
peterz@infradead.org, viro@zeniv.linux.org.uk,
akpm@linux-foundation.org, paulmck@kernel.org,
mchehab+huawei@kernel.org, pawan.kumar.gupta@linux.intel.com,
rdunlap@infradead.org, oneukum@suse.com,
anshuman.khandual@arm.com, jroedel@suse.de,
almasrymina@google.com, rientjes@google.com, willy@infradead.org,
mhocko@suse.com, song.bao.hua@hisilicon.com, david@redhat.com,
naoya.horiguchi@nec.com
Subject: Re: [PATCH v14 6/8] mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate
Date: Fri, 5 Feb 2021 09:22:15 +0100 [thread overview]
Message-ID: <20210205082211.GA13848@linux> (raw)
In-Reply-To: <42c8272a-f170-b27e-af5e-a7cb7777a728@huawei.com>
On Fri, Feb 05, 2021 at 03:29:43PM +0800, Miaohe Lin wrote:
> > + if (likely(vmemmap_pages > RESERVE_VMEMMAP_NR))
> > + h->nr_free_vmemmap_pages = vmemmap_pages - RESERVE_VMEMMAP_NR;
>
> Not a problem. Should we set h->nr_free_vmemmap_pages to 0 in 'else' case explicitly ?
No, hstate fields are already zeroed.
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2021-02-05 8:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 3:50 [PATCH v14 0/8] Free some vmemmap pages of HugeTLB page Muchun Song
2021-02-04 3:50 ` [PATCH v14 1/8] mm: memory_hotplug: factor out bootmem core functions to bootmem_info.c Muchun Song
2021-02-04 3:50 ` [PATCH v14 2/8] mm: hugetlb: introduce a new config HUGETLB_PAGE_FREE_VMEMMAP Muchun Song
2021-02-04 11:44 ` Miaohe Lin
2021-02-04 3:50 ` [PATCH v14 3/8] mm: hugetlb: free the vmemmap pages associated with each HugeTLB page Muchun Song
2021-02-05 8:54 ` Oscar Salvador
2021-02-05 16:01 ` [External] " Muchun Song
2021-02-04 3:50 ` [PATCH v14 4/8] mm: hugetlb: alloc " Muchun Song
2021-02-05 9:29 ` Muchun Song
2021-02-05 11:54 ` Oscar Salvador
2021-02-06 8:01 ` [External] " Muchun Song
2021-02-04 3:50 ` [PATCH v14 5/8] mm: hugetlb: add a kernel parameter hugetlb_free_vmemmap Muchun Song
2021-02-05 7:25 ` Miaohe Lin
2021-02-04 3:50 ` [PATCH v14 6/8] mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate Muchun Song
2021-02-05 7:29 ` Miaohe Lin
2021-02-05 8:22 ` Oscar Salvador [this message]
2021-02-05 8:39 ` Miaohe Lin
2021-02-05 8:56 ` Oscar Salvador
2021-02-05 9:12 ` Miaohe Lin
2021-02-04 3:50 ` [PATCH v14 7/8] mm: hugetlb: gather discrete indexes of tail page Muchun Song
2021-02-05 7:30 ` Miaohe Lin
2021-02-04 3:50 ` [PATCH v14 8/8] mm: hugetlb: optimize the code with the help of the compiler Muchun Song
2021-02-04 6:33 ` Miaohe Lin
2021-02-05 9:09 ` Oscar Salvador
2021-02-05 9:16 ` [External] " Muchun Song
2021-02-05 8:59 ` [PATCH v14 0/8] Free some vmemmap pages of HugeTLB page Oscar Salvador
2021-02-05 9:30 ` [External] " Muchun Song
2021-02-05 16:00 ` Joao Martins
2021-02-05 16:13 ` [External] " Muchun Song
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