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From: Muhammad Usama Anjum <usama.anjum@collabora.com>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
	"Andrei Vagin" <avagin@gmail.com>,
	"Danylo Mocherniuk" <mdanylo@google.com>
Cc: "Muhammad Usama Anjum" <usama.anjum@collabora.com>,
	"Alex Sierra" <alex.sierra@amd.com>,
	"Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Axel Rasmussen" <axelrasmussen@google.com>,
	"Christian Brauner" <brauner@kernel.org>,
	"Cyrill Gorcunov" <gorcunov@gmail.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"David Hildenbrand" <david@redhat.com>,
	"Greg KH" <gregkh@linuxfoundation.org>,
	"Gustavo A . R . Silva" <gustavoars@kernel.org>,
	"Liam R . Howlett" <Liam.Howlett@Oracle.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Michał Mirosław" <emmir@google.com>,
	"Mike Rapoport" <rppt@kernel.org>,
	"Nadav Amit" <namit@vmware.com>,
	"Pasha Tatashin" <pasha.tatashin@soleen.com>,
	"Paul Gofman" <pgofman@codeweavers.com>,
	"Peter Xu" <peterx@redhat.com>, "Shuah Khan" <shuah@kernel.org>,
	"Suren Baghdasaryan" <surenb@google.com>,
	"Vlastimil Babka" <vbabka@suse.cz>,
	"Yang Shi" <shy828301@gmail.com>,
	"Yun Zhou" <yun.zhou@windriver.com>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
	kernel@collabora.com
Subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning
Date: Fri, 21 Jul 2023 09:27:34 +0500	[thread overview]
Message-ID: <e430ea5c-fbf2-9e23-626d-2e6ea63eba18@collabora.com> (raw)
In-Reply-To: <a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.1689881078.git.mirq-linux@rere.qmqm.pl>

Thank you Michał.

On 7/21/23 12:28 AM, Michał Mirosław wrote:
>   b. rename match "flags" to 'page categories' everywhere - this makes
> 	it easier to differentiate the ioctl()s categorisation of pages
> 	from struct page flags;
>   c. change {required + excluded} to {inverted + required}. This was
> 	rejected before, but I'd like to illustrate the difference.
> 	Old interface can be translated to the new by:
> 		categories_inverted = excluded_mask
> 		categories_mask = required_mask | excluded_mask
> 		categories_anyof_mask = anyof_mask
> 	The new way allows filtering by: A & (B | !C)
> 		categories_inverted = C
> 		categories_mask = A
> 		categories_anyof_mask = B | C
Andrei and Danylo,

Are you okay with these masks? It were you two who had proposed these.


-- 
BR,
Muhammad Usama Anjum

  parent reply	other threads:[~2023-07-21  4:30 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-13 10:14 [PATCH v25 0/5] Implement IOCTL to get and optionally clear info about PTEs Muhammad Usama Anjum
2023-07-13 10:14 ` [PATCH v25 1/5] userfaultfd: UFFD_FEATURE_WP_ASYNC Muhammad Usama Anjum
2023-07-13 10:14 ` [PATCH v25 2/5] fs/proc/task_mmu: Implement IOCTL to get and optionally clear info about PTEs Muhammad Usama Anjum
2023-07-17 17:26   ` Andrei Vagin
2023-07-18  8:18     ` Muhammad Usama Anjum
2023-07-18 16:08       ` Andrei Vagin
2023-07-18 16:27         ` Muhammad Usama Anjum
2023-07-13 10:14 ` [PATCH v25 3/5] tools headers UAPI: Update linux/fs.h with the kernel sources Muhammad Usama Anjum
2023-07-13 10:14 ` [PATCH v25 4/5] mm/pagemap: add documentation of PAGEMAP_SCAN IOCTL Muhammad Usama Anjum
2023-07-13 10:14 ` [PATCH v25 5/5] selftests: mm: add pagemap ioctl tests Muhammad Usama Anjum
     [not found]   ` <a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.1689881078.git.mirq-linux@rere.qmqm.pl>
2023-07-20 19:50     ` fs/proc/task_mmu: Implement IOCTL for efficient page table scanning Michał Mirosław
2023-07-20 21:12     ` kernel test robot
2023-07-21  2:56     ` kernel test robot
2023-07-21  4:27     ` Muhammad Usama Anjum [this message]
2023-07-21 14:49       ` Andrei Vagin
2023-07-21  5:43     ` kernel test robot
2023-07-21  7:18     ` kernel test robot
2023-07-21 10:48     ` Muhammad Usama Anjum
2023-07-21 11:23       ` Michał Mirosław
2023-07-21 17:50         ` Muhammad Usama Anjum
2023-07-22  0:22           ` Michał Mirosław
2023-07-22  0:24           ` [v2] " Michał Mirosław
2023-07-22 13:55             ` kernel test robot
2023-07-22 14:05             ` kernel test robot
2023-07-24 14:04             ` Muhammad Usama Anjum
2023-07-24 14:38               ` Michał Mirosław
2023-07-24 15:21                 ` Muhammad Usama Anjum
2023-07-24 16:10                   ` Michał Mirosław
2023-07-25  7:23                     ` Muhammad Usama Anjum
2023-07-25  9:09                       ` Muhammad Usama Anjum
2023-07-25  9:11                         ` [v3] " Muhammad Usama Anjum
2023-07-25 18:05                           ` Michał Mirosław
2023-07-26  8:34                             ` Muhammad Usama Anjum
2023-07-26 21:10                               ` Michał Mirosław
2023-07-26 23:06                                 ` Paul Gofman
2023-07-27 11:18                                   ` Michał Mirosław
2023-07-27 11:21                                     ` Michał Mirosław
2023-07-27 17:15                                     ` Paul Gofman
2023-07-27  8:03                                 ` Muhammad Usama Anjum
2023-07-27 11:26                                   ` Michał Mirosław
2023-07-27 11:31                                     ` Muhammad Usama Anjum
2023-07-21 11:29       ` Michał Mirosław
2023-07-21 17:51         ` Muhammad Usama Anjum
2023-08-26 13:07     ` kernel test robot
2023-07-18 16:05 ` [PATCH v25 0/5] Implement IOCTL to get and optionally clear info about PTEs Rogerio Alves

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