+ mm-damon-core-remove-duplicate-list_empty-quota-goals-check.patch added to mm-unstable branch

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

The patch titled
     Subject: mm/damon/core: remove duplicate list_empty quota->goals check
has been added to the -mm mm-unstable branch.  Its filename is
     mm-damon-core-remove-duplicate-list_empty-quota-goals-check.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-core-remove-duplicate-list_empty-quota-goals-check.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Honggyu Kim <honggyu.kim@xxxxxx>
Subject: mm/damon/core: remove duplicate list_empty quota->goals check
Daye: Mon, 25 Nov 2024 13:56:55 +0900

damos_set_effective_quota() checks quota contidions but there are some
duplicate checks for quota->goals inside.

This patch reduces one of if statement to simplify the esz calculation
logic by setting esz as ULONG_MAX by default.

Link: https://lkml.kernel.org/r/20241125184307.41746-1-sj@xxxxxxxxxx
Signed-off-by: Honggyu Kim <honggyu.kim@xxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/damon/core.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/mm/damon/core.c~mm-damon-core-remove-duplicate-list_empty-quota-goals-check
+++ a/mm/damon/core.c
@@ -1542,7 +1542,7 @@ static unsigned long damos_quota_score(s
 static void damos_set_effective_quota(struct damos_quota *quota)
 {
 	unsigned long throughput;
-	unsigned long esz;
+	unsigned long esz = ULONG_MAX;
 
 	if (!quota->ms && list_empty(&quota->goals)) {
 		quota->esz = quota->sz;
@@ -1564,10 +1564,7 @@ static void damos_set_effective_quota(st
 				quota->total_charged_ns;
 		else
 			throughput = PAGE_SIZE * 1024;
-		if (!list_empty(&quota->goals))
-			esz = min(throughput * quota->ms, esz);
-		else
-			esz = throughput * quota->ms;
+		esz = min(throughput * quota->ms, esz);
 	}
 
 	if (quota->sz && quota->sz < esz)
_

Patches currently in -mm which might be from honggyu.kim@xxxxxx are

mm-damon-core-remove-duplicate-list_empty-quota-goals-check.patch