kernel/include/drm/ttm/ttm_memory.h, branch linux-5.1.y

drm/ttm: use a static ttm_mem_global instance

2018-11-05T19:21:18Z

As the name says we only need one global instance of ttm_mem_global. Drop all the driver initialization and just use a single exported instance which is initialized during BO global initialization. Signed-off-by: Christian König Reviewed-by: Junwei Zhang Signed-off-by: Alex Deucher

drm/ttm: check if free mem space is under the lower limit

2018-02-27T04:09:46Z

the free mem space and the lower limit both include two parts: system memory and swap space. For the OOM triggered by TTM, that is the case as below: first swap space is full of swapped out pages and soon system memory also is filled up with ttm pages. and then any memory allocation request will run into OOM. to cover two cases: a. if no swap disk at all or free swap space is under swap mem limit but available system mem is bigger than sys mem limit, allow TTM allocation; b. if the available system mem is less than sys mem limit but free swap space is bigger than swap mem limit, allow TTM allocation. v2: merge two memory limit(swap and system) into one v3: keep original behavior except ttm_opt_ctx->flags with TTM_OPT_FLAG_FORCE_ALLOC v4: always set force_alloc as tx->flags & TTM_OPT_FLAG_FORCE_ALLOC v5: add an attribute for lower_mem_limit v6: set lower_mem_limit as 0 to keep original behavior Signed-off-by: Roger He Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/ttm: use an operation ctx for ttm_mem_global_alloc_page

2017-12-27T16:38:55Z

forward the operation context to ttm_mem_global_alloc_page as well, and the ultimate goal is swapout enablement for reserved BOs. Here reserved BOs refer to all the BOs which share same reservation object Reviewed-by: Christian König Signed-off-by: Roger He Signed-off-by: Alex Deucher

drm/ttm: use an operation ctx for ttm_mem_global_alloc

2017-12-27T16:38:54Z

forward the operation context to ttm_mem_global_alloc as well, and the ultimate goal is swapout enablement for reserved BOs Reviewed-by: Thomas Hellstrom Reviewed-by: Christian König Signed-off-by: Roger He Signed-off-by: Alex Deucher

drm/ttm: call ttm_bo_swapout directly when ttm shrink

2017-12-27T16:38:11Z

remove the extra indirection because we have only one implementation anyway Reviewed-by: Christian König Signed-off-by: Roger He Signed-off-by: Alex Deucher

drm/ttm: add support for different pool sizes

2017-10-06T21:44:16Z

Correctly handle different page sizes in the memory accounting. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/ttm: remove unsued options from ttm_mem_global_alloc_page

2017-10-06T21:44:14Z

Nobody is actually using that, remove it. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/ttm: Add interface to export kernel_zone max memory size in ttm

2016-08-08T15:33:08Z

Signed-off-by: Ken Wang Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/ttm: remove ttm_mem_global->queue

2012-11-20T06:06:22Z

It's unused. Signed-off-by: Marcin Slusarz Reviewed-by: Thomas Hellstrom Signed-off-by: Dave Airlie

BUG: headers with BUG/BUG_ON etc. need linux/bug.h

2012-03-04T22:54:34Z

If a header file is making use of BUG, BUG_ON, BUILD_BUG_ON, or any other BUG variant in a static inline (i.e. not in a #define) then that header really should be including and not just expecting it to be implicitly present. We can make this change risk-free, since if the files using these headers didn't have exposure to linux/bug.h already, they would have been causing compile failures/warnings. Signed-off-by: Paul Gortmaker