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Thu, 4 Jul 2024 04:32:39 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 2CQKJuclhmbnDAAAD6G6ig (envelope-from ); Thu, 04 Jul 2024 04:32:39 +0000 From: Oscar Salvador To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Peter Xu , Muchun Song , David Hildenbrand , SeongJae Park , Miaohe Lin , Michal Hocko , Matthew Wilcox , Christophe Leroy , Oscar Salvador Subject: [PATCH 40/45] mm/madvise: Make madvise_free_test_walk skip hugetlb vmas Date: Thu, 4 Jul 2024 06:31:27 +0200 Message-ID: <20240704043132.28501-41-osalvador@suse.de> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240704043132.28501-1-osalvador@suse.de> References: <20240704043132.28501-1-osalvador@suse.de> 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 X-Spamd-Result: default: False [-6.80 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCPT_COUNT_TWELVE(0.00)[12]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,imap1.dmz-prg2.suse.org:helo]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; R_RATELIMIT(0.00)[to_ip_from(RLghcz9uomn9ay1xnuhrww8uur)]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO X-Spam-Score: -6.80 X-Spam-Level: Content-Type: text/plain; charset="utf-8" Skip hugetlb vmas as we are not interested in those. Signed-off-by: Oscar Salvador --- mm/madvise.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/mm/madvise.c b/mm/madvise.c index e60311636c4c..08f72622913f 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -805,8 +805,20 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned= long addr, return 0; } =20 +static int madvise_free_test_walk(unsigned long start, unsigned long end, + struct mm_walk *walk) +{ + struct vm_area_struct *vma =3D walk->vma; + + if (is_vm_hugetlb_page(vma)) + return 1; + + return 0; +} + static const struct mm_walk_ops madvise_free_walk_ops =3D { .pmd_entry =3D madvise_free_pte_range, + .test_walk =3D madvise_free_test_walk, .walk_lock =3D PGWALK_RDLOCK, }; =20 --=20 2.26.2