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Wed, 16 Apr 2025 04:25:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744777559; bh=9FVKfq16K1iqFomF4A+02zHJ3L+keGr+U4JdYI2U9pw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUrYZfeTmpDfX1SIxZoLmRiBugiN4zNnnvQeinfMULtF0+KkhBzzyJT0kYwMNRp0g eAGrdSq/NG6TMsPGpk8lFkwn3/Zr9mX8sZ0qyVDMdjakmZYPaSrXlATUWadvkbd5OR 8JtVPKdAksq72LSsiWySAC57QQWQOwf93j4xQ2tGnyA+Z0eXqf0AQPdBm5Slj8F46J hMzgTwyRiKD1ia8y+GSWunlRSki2fAy0cJb9kg/mdLuGvL9D5Vt7t7BO87ee+CEfpW Q4VVi32UYFA04bQ9bSz5DxOiBaFL7mHFJ0owdS/42oagnc2yBDkA7WRUbtJnTnCtOZ DOH8JQ9MFg97g== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Ze Zuo , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 03/10] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Tue, 15 Apr 2025 21:25:44 -0700 Message-Id: <20250416042551.158131-4-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250416042551.158131-1-sj@kernel.org> References: <20250416042551.158131-1-sj@kernel.org> MIME-Version: 1.0 X-Stat-Signature: b9gr4pd8yp3ar8oft1yz4kn8wmiuw74s X-Rspam-User: X-Rspamd-Queue-Id: 75D371A0005 X-Rspamd-Server: rspam08 X-HE-Tag: 1744777560-655412 X-HE-Meta: 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 GWjWruMt TJzGkAJGZUjqiphCSbJzsNeZDZAfXXEmVkHjVGOaBGXE1yH1RalOvUY2RfgnDLyx1mFqls07eyB8MppdcMhMYdTauSLTEMHtIAU+YhmwxQFJyxAvB289MAEEppLgAtHVfvyVRpu5Rph08b914fDeD3C3P5ZmB9ofznId/6iyRp4Ft/sevjhTnmudzAEjPkDK6OdEKa+VO2CGbzXFGNo7VmJoavhqm/Kny9JwDpavlJbeDyGUQAu872wOeaewWOB9Ke2i2zbosdHDnCnz4ghGITjZbYg== 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: 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 bc188aa2f01b..169ba81d4182 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -287,10 +287,12 @@ 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; @@ -311,8 +313,8 @@ 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; @@ -672,9 +674,11 @@ 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: