evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

drivers: dma-removed: align size first

Browse source 
Align size first and then find required number of bits and
order out of it.

Change-Id: I9b12fb45e5c1ff79e24fe7584cd23923b1a88c87
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
This commit is contained in:
Shiraz Hashim 2015-09-12 12:31:10 +05:30 • committed by David Keitel
parent ce7a052ffc
commit dd0ab21370
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/base/dma-removed.c
View file

@ -79,17 +79,19 @@ void *removed_alloc(struct device *dev, size_t size, dma_addr_t *handle,
attrs); attrs);
bool skip_zeroing = dma_get_attr(DMA_ATTR_SKIP_ZEROING, attrs); bool skip_zeroing = dma_get_attr(DMA_ATTR_SKIP_ZEROING, attrs);
int pageno; int pageno;
unsigned long order = get_order(size); unsigned long order;
void *addr = NULL; void *addr = NULL;
struct removed_region *dma_mem = dev->removed_mem; struct removed_region *dma_mem = dev->removed_mem;
int nbits = size >> PAGE_SHIFT; int nbits;
unsigned int align; unsigned int align;
size = PAGE_ALIGN(size);
if (!(gfp & __GFP_WAIT)) if (!(gfp & __GFP_WAIT))
return NULL; return NULL;
size = PAGE_ALIGN(size);
nbits = size >> PAGE_SHIFT;
order = get_order(size);
if (order > get_order(SZ_1M)) if (order > get_order(SZ_1M))
order = get_order(SZ_1M); order = get_order(SZ_1M);