From: Zach O'Keefe <zokeefe@google.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: akpm@linux-foundation.org, aarcange@redhat.com,
willy@infradead.org, vbabka@suse.cz, dhowells@redhat.com,
neilb@suse.de, apopple@nvidia.com, david@redhat.com,
surenb@google.com, peterx@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] mm/khugepaged: remove unneeded shmem_huge_enabled() check
Date: Tue, 14 Jun 2022 17:13:28 -0700 [thread overview]
Message-ID: <YqkkKCnNe42dAPrP@google.com> (raw)
In-Reply-To: <20220611084731.55155-2-linmiaohe@huawei.com>
On 11 Jun 16:47, Miaohe Lin wrote:
> If we reach here, hugepage_vma_check() has already made sure that hugepage
> is enabled for shmem. Remove this duplicated check.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
> mm/khugepaged.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/mm/khugepaged.c b/mm/khugepaged.c
> index 476d79360101..73570dfffcec 100644
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -2153,8 +2153,6 @@ static unsigned int khugepaged_scan_mm_slot(unsigned int pages,
> if (khugepaged_scan.address < hstart)
> khugepaged_scan.address = hstart;
> VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);
> - if (shmem_file(vma->vm_file) && !shmem_huge_enabled(vma))
> - goto skip;
>
> while (khugepaged_scan.address < hend) {
> int ret;
> --
> 2.23.0
>
>
Thanks for these cleanups, Miaohe.
Reviewed-by: Zach O'Keefe <zokeefe@google.com>
next prev parent reply other threads:[~2022-06-15 0:13 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-11 8:47 [PATCH 0/7] A few cleanup patches for khugepaged Miaohe Lin
2022-06-11 8:47 ` [PATCH 1/7] mm/khugepaged: remove unneeded shmem_huge_enabled() check Miaohe Lin
2022-06-11 20:33 ` Andrew Morton
2022-06-13 1:48 ` Miaohe Lin
2022-06-13 18:02 ` Andrew Morton
2022-06-15 0:13 ` Zach O'Keefe [this message]
2022-06-15 17:35 ` Yang Shi
2022-06-11 8:47 ` [PATCH 2/7] mm/khugepaged: stop swapping in page when VM_FAULT_RETRY occurs Miaohe Lin
2022-06-15 15:14 ` Zach O'Keefe
2022-06-15 17:51 ` Yang Shi
2022-06-16 6:08 ` Miaohe Lin
2022-06-15 17:49 ` Yang Shi
2022-06-16 6:40 ` Miaohe Lin
2022-06-16 15:46 ` Yang Shi
2022-06-11 8:47 ` [PATCH 3/7] mm/khugepaged: trivial typo and codestyle cleanup Miaohe Lin
2022-06-15 0:23 ` Zach O'Keefe
2022-06-15 17:53 ` Yang Shi
2022-06-11 8:47 ` [PATCH 4/7] mm/khugepaged: minor cleanup for collapse_file Miaohe Lin
2022-06-15 15:54 ` Zach O'Keefe
2022-06-15 18:18 ` Yang Shi
2022-06-16 6:10 ` Miaohe Lin
2022-06-11 8:47 ` [PATCH 5/7] mm/khugepaged: use helper macro __ATTR_RW Miaohe Lin
2022-06-15 0:29 ` Zach O'Keefe
2022-06-15 7:48 ` Miaohe Lin
2022-06-15 21:28 ` Yang Shi
2022-06-16 7:07 ` Miaohe Lin
2022-06-16 15:48 ` Yang Shi
2022-06-11 8:47 ` [PATCH 6/7] mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp() Miaohe Lin
2022-06-15 0:19 ` Zach O'Keefe
2022-06-15 21:35 ` Yang Shi
2022-06-11 8:47 ` [PATCH 7/7] mm/khugepaged: try to free transhuge swapcache when possible Miaohe Lin
2022-06-15 17:13 ` Zach O'Keefe
2022-06-16 3:38 ` Mika Penttilä
2022-06-16 7:33 ` Miaohe Lin
2022-06-15 23:58 ` Yang Shi
2022-06-16 7:42 ` Miaohe Lin
2022-06-16 15:53 ` Yang Shi
2022-06-17 2:26 ` Miaohe Lin
2022-06-17 16:35 ` Yang Shi
2022-06-18 3:13 ` Miaohe Lin
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