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From: "Theodore Ts'o" <tytso@mit.edu>
To: Yang Shi <shy828301@gmail.com>
Cc: vbabka@suse.cz, kirill.shutemov@linux.intel.com,
	linmiaohe@huawei.com, songliubraving@fb.com, riel@surriel.com,
	willy@infradead.org, ziy@nvidia.com, akpm@linux-foundation.org,
	adilger.kernel@dilger.ca, darrick.wong@oracle.com,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [v2 PATCH 0/8] Make khugepaged collapse readonly FS THP more consistent
Date: Wed, 23 Mar 2022 21:47:58 -0400	[thread overview]
Message-ID: <YjvNzvdcagflTejJ@mit.edu> (raw)
In-Reply-To: <20220317234827.447799-1-shy828301@gmail.com>

On Thu, Mar 17, 2022 at 04:48:19PM -0700, Yang Shi wrote:
> 
> The patch 1 ~ 7 are minor bug fixes, clean up and preparation patches.
> The patch 8 converts ext4 and xfs.  We may need convert more filesystems,
> but I'd like to hear some comments before doing that.

Adding a hard-coded call to khugepage_enter_file() in ext4 and xfs,
and potentially, each file system, seems kludgy as all heck.  Is there
any reason not to simply call it in the mm code which calls f_op->mmap()?

    	       	  	      	 - Ted

  parent reply	other threads:[~2022-03-24  1:48 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-17 23:48 [v2 PATCH 0/8] Make khugepaged collapse readonly FS THP more consistent Yang Shi
2022-03-17 23:48 ` [v2 PATCH 1/8] sched: coredump.h: clarify the use of MMF_VM_HUGEPAGE Yang Shi
2022-03-17 23:48 ` [v2 PATCH 2/8] mm: khugepaged: remove redundant check for VM_NO_KHUGEPAGED Yang Shi
2022-03-17 23:48 ` [v2 PATCH 3/8] mm: khugepaged: skip DAX vma Yang Shi
2022-03-21 12:04   ` Hyeonggon Yoo
2022-03-21 20:59     ` Yang Shi
2022-03-17 23:48 ` [v2 PATCH 4/8] mm: thp: only regular file could be THP eligible Yang Shi
2022-03-17 23:48 ` [v2 PATCH 5/8] mm: khugepaged: make khugepaged_enter() void function Yang Shi
2022-03-17 23:48 ` [v2 PATCH 6/8] mm: khugepaged: move some khugepaged_* functions to khugepaged.c Yang Shi
2022-03-17 23:48 ` [v2 PATCH 7/8] mm: khugepaged: introduce khugepaged_enter_file() helper Yang Shi
2022-03-17 23:48 ` [v2 PATCH 8/8] fs: register suitable readonly vmas for khugepaged Yang Shi
2022-03-18  1:10 ` [v2 PATCH 0/8] Make khugepaged collapse readonly FS THP more consistent Song Liu
2022-03-18  1:29 ` Dave Chinner
2022-03-18  3:38   ` Matthew Wilcox
2022-03-18 18:04     ` Yang Shi
2022-03-18 18:48       ` Matthew Wilcox
2022-03-18 20:19         ` Yang Shi
2022-03-18 17:31   ` Yang Shi
2022-03-24  1:47 ` Theodore Ts'o [this message]
2022-03-24  2:46   ` Yang Shi

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