From: SeongJae Park <sj@kernel.org>
Date: Mon, 26 Aug 2024 04:23:22 +0000 (-0700)
Subject: mm/damon/core: remove per-scheme region priority histogram buffer
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e3bcb1672583f2e1cf456e4303ce562a3cc775c0;p=users%2Fjedix%2Flinux-maple.git

mm/damon/core: remove per-scheme region priority histogram buffer

Nobody is reading from or writing to the per-scheme region priorities
histogram buffer.  It is only wasting memory.  Remove it.

Link: https://lkml.kernel.org/r/20240826042323.87025-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/include/linux/damon.h b/include/linux/damon.h
index 60cb8eada3d6..a67f2c4940e9 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -233,7 +233,6 @@ struct damos_quota {
 	unsigned long charge_addr_from;
 
 	/* For prioritization */
-	unsigned long histogram[DAMOS_MAX_SCORE + 1];
 	unsigned int min_score;
 
 	/* For feedback loop */