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Wed, 13 Aug 2025 11:52:30 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH -next 03/16] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Wed, 13 Aug 2025 13:06:53 +0800 Message-ID: <20250813050706.1564229-4-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250813050706.1564229-1-yanquanmin1@huawei.com> References: <20250813050706.1564229-1-yanquanmin1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To dggpemf200018.china.huawei.com (7.185.36.31) X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 848781C0004 X-Stat-Signature: 69eeum6hb375wt9yqc7pdnfkmqd9m9g5 X-Rspam-User: X-HE-Tag: 1755057154-440735 X-HE-Meta: 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 idcvyDpV tiw4qrSVif9SNOWmLQ6Nx9xpqJWqa1i0EsWPBjzRCiJKixPCYIp6aSeJCp7Axty6C8poHP064+PDl2wVSjFjEYOjWbk7VZPxIp7NFnlSdXfJ2CGlSgVfHyZfyWPu5TihGaWuIfpqyIpFkG2HQMhFaNxLGQwN6e1PGTfheY9UjczVeyVFpBfA0oSn159yY+oNcBcZ3/c3MPG4jbbvf+hI5b4pnXZO3gexFiKH3Wgr76j0s7oDDsmyTZjEdJjtKg2lAeZS/XOvJZfROxVc= 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 --- mm/damon/paddr.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 345a0ae63b19..b548813a0472 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -135,10 +135,12 @@ 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; + unsigned long applied; LIST_HEAD(folio_list); bool install_young_filter = true; struct damos_filter *filter; @@ -159,8 +161,8 @@ 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; @@ -311,9 +313,11 @@ 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: -- 2.34.1