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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 <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Monk Liu 2017-12-01 18:23:56 +08:00 • committed by Alex Deucher
commit 13d3fc69a0
1 changed files with 1 additions and 1 deletions
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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;
unsigned i, j, cpages;
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 */
caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL);