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Fri, 22 Aug 2025 17:48:07 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [PATCH v2 03/11] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Fri, 22 Aug 2025 17:34:11 +0800 Message-ID: <20250822093420.2103803-4-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250822093420.2103803-1-yanquanmin1@huawei.com> References: <20250822093420.2103803-1-yanquanmin1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.50.85.135] X-ClientProxiedBy: kwepems500002.china.huawei.com (7.221.188.17) To dggpemf200018.china.huawei.com (7.185.36.31) X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 3D0B8A0008 X-Stat-Signature: awiprtj31jekbc9niupzjor16x1qqem3 X-Rspam-User: X-HE-Tag: 1755856092-769015 X-HE-Meta: U2FsdGVkX1+9sfkMXfDIh0pCkxw4S68K9KAv96bcvTpdV1r2sXgIcaOEEoZq+4Czft8C9VbA3SNjet+pvy2r1bQalroIMolo5xKsmqcZmr7GWaYSdEomKYknEwbpBuB8lG8sImjeyfW9jpWq0DzOk/yauWZG+OkrX3w9J9oiIhq/i6rJWt7vaOSLZkISRmAKnxuO1978bfEDvqzPwhZBPu3MP/tGU7BCDGozWgoo4OEbYB3HRbPDBm71YKiZaPDL0lQNrx+M/H7dsnEW/Gxyrmrmp4D4RoQNffVG+tnyvcCUJYyKAYMiWvx7E68ZHJOvLXQR7TFXb+flVtw9vjyHbRYbeJrsPbBcTc9C1i7qZJGCfqEUn83HA7iTBobfw7t9TsGKKXAfXGOzcCU92ozX/LEJ3afHXR8ldebmqLuw734T3aqrfHTErrNgHRc18gABtSuXpiwHzaA3CF0Mkwfbis3pYtSkKRo5+8J3rF8bXaA41PHrqn7T4APNM97OFBvN1gGhZ0zGL66TghwAaqt/N54PIEURKE/ki7lxqmx+1dOC1G9f+7BN+paPPWb0dsyF1ujlyzTTq0GKegDh3kzVYsGxESEHU3uG6xGhG80jqOQoMom3pi2IiRspP1PqWkJN87JRdJfoqf2XOpwKZWLRabu8pDjpM1cKGNiyas5ABozYbuJ0FaCkGb9uFE0g35r0lvg9fDzgRCizds/me3ncbIv25shHKY4rQlyjBpWxr0lkM4RgmQpDWa3xKmSlCpSPuE8y2EuSnSwLmDbDBzDXDW9N6TRjZMRnVcQlq91C3JvWLgKo3fzKYtpZdnu08bOVuxwmqj2u4FqdjisFdBFoNf9BmkwOY5XDxnTILaVFG2pe807TXM8LPnBU3Pea1B2bncA7eaWHqzwC83Hw6wf+ZOsIN2QlVKHhyLUEQK4fBQWIjhYdEfciGvwhadfypKHcQ5cggOPQwCsQwTIlyBi 57BlBX7Y Pr33sUyw9IJ5gS6+cQE9ZrSUFEASkV0LY7bg3RIayiWbLTH8v6NtDMagaBCRb09Tmqr/8yi1BLcqyrht+Cw3UVLGhSJ5O6AZg04fRUAKJmlUXkiOMrCVRPu/yqquXqEvzQYUt8f9nZDAvHjEHwd80xfJCSY2u8DodnpQsA41m+5IvUWD89K55yIda8PUVaYSXOOXPcmU3Ncg4ZFRRQAMdcYB7CBMQmNU4J9lyMKB0aMWoPD7S8jAoG9v0lOfThTY1ivLHHF0wQj1wJl7zG1H8Bk/fqHP1S35+36xQ7tomBbW0Va0= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: SeongJae Park Add support of addr_unit for DAMOS_PAGEOUT action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park --- mm/damon/paddr.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index d497373c2bd2..826c2064dbfd 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -135,10 +135,11 @@ static bool damon_pa_invalid_damos_folio(struct folio *folio, struct damos *s) return false; } -static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_pageout(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr, applied; LIST_HEAD(folio_list); bool install_young_filter = true; struct damos_filter *filter; @@ -159,8 +160,8 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, damos_add_filter(s, filter); } - addr = r->ar.start; - while (addr < r->ar.end) { + addr = damon_pa_phys_addr(r->ar.start, addr_unit); + while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) { folio = damon_get_folio(PHYS_PFN(addr)); if (damon_pa_invalid_damos_folio(folio, s)) { addr += PAGE_SIZE; @@ -170,7 +171,7 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, if (damos_pa_filter_out(s, folio)) goto put_folio; else - *sz_filter_passed += folio_size(folio); + *sz_filter_passed += folio_size(folio) / addr_unit; folio_clear_referenced(folio); folio_test_clear_young(folio); @@ -189,7 +190,7 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, applied = reclaim_pages(&folio_list); cond_resched(); s->last_applied = folio; - return applied * PAGE_SIZE; + return applied * PAGE_SIZE / addr_unit; } static inline unsigned long damon_pa_mark_accessed_or_deactivate( @@ -302,9 +303,11 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, struct damon_target *t, struct damon_region *r, struct damos *scheme, unsigned long *sz_filter_passed) { + unsigned long aunit = ctx->addr_unit; + switch (scheme->action) { case DAMOS_PAGEOUT: - return damon_pa_pageout(r, scheme, sz_filter_passed); + return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: return damon_pa_mark_accessed(r, scheme, sz_filter_passed); case DAMOS_LRU_DEPRIO: -- 2.43.0