Re: [RFC] should physmem be cgroup-aware?

[Bruno Haible via Gnulib discussion list]

Since the containers are not the only means that can restrict the available
memory for a program, let me document that:


2026-08-20  Bruno Haible  <br...@clisp.org>

        physmem: Clarify relation with getrlimit().
        * lib/physmem.h: Add a comment.

diff --git a/lib/physmem.h b/lib/physmem.h
index 7b2e35c997..d3b19bab87 100644
--- a/lib/physmem.h
+++ b/lib/physmem.h
@@ -25,6 +25,11 @@ extern "C" {
 #endif
 
 
+/* Note: These functions do not consider the configurable resource limits
+   (RLIMIT_DATA, RLIMIT_AS, RLIMIT_RSS).  If you want to consider them,
+   you need to do so separately, via getrlimit().  */
+
+
 /* Returns the total amount of physical memory.
    This value is more or less a hard limit for the working set.  */
 double physmem_total (void);