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[24.150.189.55]) by smtp.googlemail.com with ESMTPSA id af79cd13be357-7a9a7a1ff6bsm139874185a.122.2024.09.08.09.20.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Sep 2024 09:20:32 -0700 (PDT) From: Dennis Lam To: jglisse@redhat.com, corbet@lwn.net Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Dennis Lam Subject: [PATCH] docs:mm: fix spelling mistakes in heterogeneous memory management page Date: Sun, 8 Sep 2024 12:19:28 -0400 Message-ID: <20240908161928.3700-1-dennis.lamerice@gmail.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Dennis Lam Reviewed-by: Lorenzo Stoakes --- Documentation/mm/hmm.rst | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Documentation/mm/hmm.rst b/Documentation/mm/hmm.rst index 0595098a74d9..f6d53c37a2ca 100644 --- a/Documentation/mm/hmm.rst +++ b/Documentation/mm/hmm.rst @@ -66,7 +66,7 @@ combinatorial explosion in the library entry points. Finally, with the advance of high level language constructs (in C++ but in other languages too) it is now possible for the compiler to leverage GPUs = and other devices without programmer knowledge. Some compiler identified patte= rns -are only do-able with a shared address space. It is also more reasonable t= o use +are only doable with a shared address space. It is also more reasonable to= use a shared address space for all other patterns. =20 =20 @@ -267,7 +267,7 @@ functions are designed to make drivers easier to write = and to centralize common code across drivers. =20 Before migrating pages to device private memory, special device private -``struct page`` need to be created. These will be used as special "swap" +``struct page`` needs to be created. These will be used as special "swap" page table entries so that a CPU process will fault if it tries to access a page that has been migrated to device private memory. =20 @@ -322,7 +322,7 @@ between device driver specific code and shared common c= ode: The ``invalidate_range_start()`` callback is passed a ``struct mmu_notifier_range`` with the ``event`` field set to ``MMU_NOTIFY_MIGRATE`` and the ``owner`` field set to - the ``args->pgmap_owner`` field passed to migrate_vma_setup(). This is + the ``args->pgmap_owner`` field passed to migrate_vma_setup(). This allows the device driver to skip the invalidation callback and only invalidate device private MMU mappings that are actually migrating. This is explained more in the next section. @@ -405,7 +405,7 @@ can be used to make a memory range inaccessible from us= erspace. =20 This replaces all mappings for pages in the given range with special swap entries. Any attempt to access the swap entry results in a fault which is -resovled by replacing the entry with the original mapping. A driver gets +resolved by replacing the entry with the original mapping. A driver gets notified that the mapping has been changed by MMU notifiers, after which p= oint it will no longer have exclusive access to the page. Exclusive access is guaranteed to last until the driver drops the page lock and page reference= , at @@ -431,7 +431,7 @@ Same decision was made for memory cgroup. Device memory= pages are accounted against same memory cgroup a regular page would be accounted to. This does simplify migration to and from device memory. This also means that migrati= on back from device memory to regular memory cannot fail because it would -go above memory cgroup limit. We might revisit this choice latter on once = we +go above memory cgroup limit. We might revisit this choice later on once we get more experience in how device memory is used and its impact on memory resource control. =20 --=20 2.46.0