fix(arc): do not compute free mem anymore

we should leave the compute task to the upper caller Signed-off-by: sundengyu <[email protected]>
iomesh · Nov 14, 2024 · 36a2918 · 36a2918
1 parent 43ad5b7
commit 36a2918
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Showing 3 changed files with 3 additions and 10 deletions.
diff --git a/include/libuzfs.h b/include/libuzfs.h
@@ -300,7 +300,7 @@ extern int libuzfs_object_next_block(libuzfs_inode_handle_t *ihp,
 extern void libuzfs_debug_main(int argc, char **argv);
 
 extern void libuzfs_show_stats(void *, int, const seq_file_generator_t *);
-extern void libuzfs_config_arc(size_t, size_t, size_t);
+extern void libuzfs_config_arc(size_t, size_t);
 extern void libuzfs_arc_shrink(size_t);
 void libuzfs_wakeup_arc_evictor(void);
 #ifdef	__cplusplus

diff --git a/lib/libuzfs/libuzfs.c b/lib/libuzfs/libuzfs.c
@@ -1004,14 +1004,12 @@ libuzfs_get_data(void *arg, uint64_t gen, lr_write_t *lr, char *buf,
 
 extern unsigned long zfs_arc_max;
 extern unsigned long zfs_arc_min;
-extern unsigned long zfs_arc_sys_free;
 
 void
-libuzfs_config_arc(size_t arc_max, size_t arc_min, size_t sys_reserved)
+libuzfs_config_arc(size_t arc_max, size_t arc_min)
 {
 	zfs_arc_min = arc_min;
 	zfs_arc_max = arc_max;
-	zfs_arc_sys_free = sys_reserved;
 	arc_tuning_update(B_FALSE);
 }
 

diff --git a/module/os/linux/zfs/arc_os.c b/module/os/linux/zfs/arc_os.c
@@ -481,12 +481,7 @@ arc_shrink(size_t percent)
 uint64_t
 arc_free_memory(void)
 {
-	struct sysinfo info;
-	if (sysinfo(&info) == -1) {
-		return (0);
-	}
-
-	return (info.freeram);
+	return (UINT64_MAX);
 }
 
 void