Reapply "arm64: configs: miatoll: Enable multigenerational lru"

This reverts commit df734ba. Signed-off-by: txexcalibur <[email protected]>
ProjectVelvet · Jul 18, 2024 · f8a84cd · f8a84cd
1 parent 5ead22b
commit f8a84cd
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/arch/arm64/configs/vendor/miatoll-perf_defconfig b/arch/arm64/configs/vendor/miatoll-perf_defconfig
@@ -77,6 +77,8 @@ CONFIG_CMA=y
 CONFIG_ZSMALLOC=y
 CONFIG_FIX_INACTIVE_RATIO=y
 # CONFIG_SWAP_ENABLE_READAHEAD is not set
+CONFIG_LRU_GEN=y
+CONFIG_LRU_GEN_ENABLED=y
 CONFIG_SECCOMP=y
 # CONFIG_HARDEN_BRANCH_PREDICTOR is not set
 CONFIG_ARMV8_DEPRECATED=y

diff --git a/mm/Kconfig b/mm/Kconfig
@@ -876,6 +876,7 @@ config NR_LRU_GENS
 	int "Max number of generations"
 	depends on LRU_GEN
 	range 4 31
+	default 4 if ANDROID
 	default 7
 	help
 	  This will use order_base_2(N+1) spare bits from page flags.

diff --git a/mm/vmscan.c b/mm/vmscan.c
@@ -4183,7 +4183,7 @@ static unsigned long lru_gen_shrink_lruvec(struct lruvec *lruvec, struct scan_co
  *                          the background aging
  ******************************************************************************/
 
-static int lru_gen_spread = MIN_NR_GENS;
+static int lru_gen_spread = IS_ENABLED(CONFIG_ANDROID) ? 0 : MIN_NR_GENS;
 
 static void try_walk_mm_list(struct lruvec *lruvec, struct scan_control *sc)
 {