diff -up ./free.1.ori ./free.1

--- ./free.1.ori	2019-04-12 13:28:22.255295567 +0200

+++ ./free.1	2019-04-12 13:29:00.666768897 +0200

@@ -32,7 +32,7 @@ kernels 2.6.32, displayed as zero if not

 Memory used by kernel buffers (Buffers in /proc/meminfo)

 .TP

 \fBcache\fR

-Memory used by the page cache and slabs (Cached and Slab in /proc/meminfo)

+Memory used by the page cache and slabs (Cached and SReclaimable in /proc/meminfo)

 .TP

 \fBbuff/cache\fR

 Sum of \fBbuffers\fR and \fBcache\fR

diff -up ./proc/sysinfo.c.ori ./proc/sysinfo.c

--- ./proc/sysinfo.c.ori	2019-04-12 13:28:22.241295394 +0200

+++ ./proc/sysinfo.c	2019-04-12 13:29:00.668768921 +0200

@@ -758,7 +758,7 @@ nextline:

   if(kb_inactive==~0UL){

     kb_inactive = kb_inact_dirty + kb_inact_clean + kb_inact_laundry;

   }

-  kb_main_cached = kb_page_cache + kb_slab;

+  kb_main_cached = kb_page_cache + kb_slab_reclaimable;

   kb_swap_used = kb_swap_total - kb_swap_free;

   kb_main_used = kb_main_total - kb_main_free - kb_main_cached - kb_main_buffers;