redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

mm: treat indirectly reclaimable memory as available in MemAvailable 

commit 034ebf65c3 upstream.

Adjust /proc/meminfo MemAvailable calculation by adding the amount of
indirectly reclaimable memory (rounded to the PAGE_SIZE).

Link: http://lkml.kernel.org/r/20180305133743.12746-4-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Roman Gushchin 2018-04-10 16:27:40 -07:00 committed by Greg Kroah-Hartman
parent c605894c84
commit dc09a5b68d
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
mm/page_alloc.c
View File

@ -4557,6 +4557,13 @@ long si_mem_available(void)
min(global_node_page_state(NR_SLAB_RECLAIMABLE) / 2,
wmark_low);
/*
* Part of the kernel memory, which can be released under memory
* pressure.
*/
available += global_node_page_state(NR_INDIRECTLY_RECLAIMABLE_BYTES) >>
PAGE_SHIFT;
if (available < 0)
available = 0;
return available;