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drm/ttm: swap consecutive allocated cached pages v3
authorChristian König <christian.koenig@amd.com>
Mon, 4 Dec 2017 10:17:54 +0000 (11:17 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 6 Dec 2017 17:48:32 +0000 (12:48 -0500)
commitfdb1a2236b07948e83e0a777e1795d4f07e52c33
tree135fdce765ebf1bb3c91fbb8590812e0d7700ddb
parent5f97fc0e032594212459f63e9c6229cd79ccb697
drm/ttm: swap consecutive allocated cached pages v3

When we detect consecutive allocation of pages swap them to avoid
accidentally freeing them as huge page.

v2: use swap
v3: check if it's really the first allocated page

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/ttm/ttm_page_alloc.c