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gem_tiled_swapping: Purge all page/swap caches first

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Reset the system to a vanilla state before we query how much RAM/swap
space is available for our testing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2014-04-07 13:09:46 +01:00
parent 5d607a744f
commit ff7806e52c
3 changed files with 15 additions and 0 deletions
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lib/igt_aux.h
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@@ -61,6 +61,7 @@ void igt_wait_for_keypress(void);
/* These are separate to allow easier testing when porting, see the comment at
* the bottom of intel_os.c. */
void intel_purge_vm_caches(void);
uint64_t intel_get_avail_ram_mb(void);
uint64_t intel_get_total_ram_mb(void);
uint64_t intel_get_total_swap_mb(void);