Low memory solution in lollipop

Signed-off-by: Javier Sayago <admin@lonasdigital.com>
javilonas · May 22, 2015 · cdb87c8 · cdb87c8
1 parent 51ce84c
commit cdb87c8
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Showing 4 changed files with 9 additions and 5 deletions.
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
@@ -74,15 +74,19 @@ static short lowmem_adj[6] = {
 	1,
 	6,
 	12,
+	13,
+	15,
 };
-static int lowmem_adj_size = 4;
+static int lowmem_adj_size = 6;
 static int lowmem_minfree[6] = {
 	3 * 512,	/* 6MB */
 	2 * 1024,	/* 8MB */
 	4 * 1024,	/* 16MB */
 	16 * 1024,	/* 64MB */
+	20 * 1024,	/* 80MB */
+	28 * 1024,	/* 112MB */
 };
-static int lowmem_minfree_size = 4;
+static int lowmem_minfree_size = 6;
 
 static unsigned long lowmem_deathpending_timeout;
 

diff --git a/fs/dcache.c b/fs/dcache.c
@@ -78,7 +78,7 @@
  *   dentry1->d_lock
  *     dentry2->d_lock
  */
-int sysctl_vfs_cache_pressure __read_mostly = 100;
+int sysctl_vfs_cache_pressure __read_mostly = 200;
 EXPORT_SYMBOL_GPL(sysctl_vfs_cache_pressure);
 
 static __cacheline_aligned_in_smp DEFINE_SPINLOCK(dcache_lru_lock);

diff --git a/mm/mmap.c b/mm/mmap.c
@@ -85,7 +85,7 @@ pgprot_t vm_get_page_prot(unsigned long vm_flags)
 EXPORT_SYMBOL(vm_get_page_prot);
 
 int sysctl_overcommit_memory __read_mostly = OVERCOMMIT_GUESS;  /* heuristic overcommit */
-int sysctl_overcommit_ratio __read_mostly = 50;	/* default is 50% */
+int sysctl_overcommit_ratio __read_mostly = 20;	/* default is 20% */
 int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
 unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */
 unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
@@ -105,7 +105,7 @@ EXPORT_SYMBOL_GPL(dirty_writeback_interval);
 /*
  * The longest time for which data is allowed to remain dirty
  */
-unsigned int dirty_expire_interval = 30 * 100; /* centiseconds */
+unsigned int dirty_expire_interval = 10 * 100; /* centiseconds */
 
 /*
  * Flag that makes the machine dump writes/reads and block dirtyings.