[Intel-gfx] [PATCH i-g-t 1/6] lib: Conservatively include residue buffers in the available ram estimate
Chris Wilson
chris at chris-wilson.co.uk
Tue Jun 19 10:49:15 UTC 2018
Add any buffers reported by sysinfo to the estimate of available memory.
We do ask the kernel to purge it's caches before reporting sysinfo, but
a few remain that may be forced out by our test usage, so include them.
However, be conservative and only allow them to be swapped out.
References: https://bugs.freedesktop.org/show_bug.cgi?id=105967
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
lib/intel_os.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/intel_os.c b/lib/intel_os.c
index 88a61f378..885ffdcec 100644
--- a/lib/intel_os.c
+++ b/lib/intel_os.c
@@ -105,6 +105,7 @@ intel_get_avail_ram_mb(void)
igt_assert(sysinfo(&sysinf) == 0);
retval = sysinf.freeram;
+ retval += min(sysinf.freeswap, sysinf.bufferram);
retval *= sysinf.mem_unit;
#elif defined(_SC_PAGESIZE) && defined(_SC_AVPHYS_PAGES) /* Solaris */
long pagesize, npages;
--
2.18.0.rc2
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