From 1c231f56482546725c4dbd3303f70300bd3c63e9 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 4 Mar 2014 19:20:21 +0100
Subject: logind: make $XDG_RUNTIME_DIR a per-user tmpfs

This way each user allocates from his own pool, with its own size limit.

This puts the size limit by default to 10% of the physical RAM size but
makes it configurable in logind.conf.
---
 src/shared/util.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/shared/util.c')

diff --git a/src/shared/util.c b/src/shared/util.c
index 285a263cdb..10daff3036 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -6291,3 +6291,15 @@ const char* personality_to_string(unsigned long p) {
 
         return NULL;
 }
+
+uint64_t physical_memory(void) {
+        long mem;
+
+        /* We return this as uint64_t in case we are running as 32bit
+         * process on a 64bit kernel with huge amounts of memory */
+
+        mem = sysconf(_SC_PHYS_PAGES);
+        assert(mem > 0);
+
+        return (uint64_t) mem * (uint64_t) page_size();
+}
-- 
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