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drm/ttm: max_cpages is in unit of native page

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fix calculation.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-12-01 18:23:56 +08:00 • committed by Alex Deucher
parent 0aaa59f525
commit a8d25a8629
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/ttm/ttm_page_alloc.c
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@ -544,7 +544,7 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
int r = 0; int r = 0;
unsigned i, j, cpages; unsigned i, j, cpages;
unsigned npages = 1 << order; unsigned npages = 1 << order;
unsigned max_cpages = min(count, (unsigned)NUM_PAGES_TO_ALLOC); unsigned max_cpages = min(count << order, (unsigned)NUM_PAGES_TO_ALLOC);
/* allocate array for page caching change */ /* allocate array for page caching change */
caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL); caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL);