Message ID | 20221026112933.4122957-10-senozhatsky@chromium.org (mailing list archive) |
---|---|
State | New |
Headers | show
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Wed, 26 Oct 2022 04:30:32 -0700 (PDT) From: Sergey Senozhatsky <senozhatsky@chromium.org> To: Andrew Morton <akpm@linux-foundation.org>, Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Sergey Senozhatsky <senozhatsky@chromium.org> Subject: [PATCHv2 9/9] zsmalloc: break out of loop when found perfect zspage order Date: Wed, 26 Oct 2022 20:29:33 +0900 Message-Id: <20221026112933.4122957-10-senozhatsky@chromium.org> X-Mailer: git-send-email 2.38.0.135.g90850a2211-goog In-Reply-To: <20221026112933.4122957-1-senozhatsky@chromium.org> References: <20221026112933.4122957-1-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666783834; a=rsa-sha256; cv=none; b=isGwCPNlqqbLSyLnT4/fqaLoJgpy6EKjbODxsDPXHCQikODTqm6+VgFmeate0CqR6UU39w GOAoqHL8D1joc9Zhh6gvo7hN8i5DF8uvqvlC6GLHiny2VGREUsrJKPqUFcnj/J6KGsV/s+ 9hApRgceiGIHqaVOuvVKHyqG4iXkvTM= ARC-Authentication-Results: i=1; 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Series |
zsmalloc/zram: configurable zspage size
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expand
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diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 7465a45495bf..0bc9ed1f1a5d 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -787,6 +787,9 @@ static int get_pages_per_zspage(u32 class_size, u32 max_pages_per_zspage) max_usedpc = usedpc; max_usedpc_order = i; } + + if (usedpc == 100) + break; } return max_usedpc_order;
If we found zspage configuration that gives us perfect 100% used percentage (zero wasted space) then there is no point it trying any other configuration Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> --- mm/zsmalloc.c | 3 +++ 1 file changed, 3 insertions(+)