A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-31 04:01:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

bounce: allow use of bounce pool via config option

Browse source 
The tilegx USB OHCI support needs the bounce pool since we're not
using the IOMMU to handle 32-bit addresses.

Signed-off-by: Chris Metcalf <[email protected]>
This commit is contained in:
Chris Metcalf 2012-06-16 16:41:05 -04:00
commit f100625789
2 changed files with 11 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
mm/bounce.c
View file

@ -24,23 +24,25 @@
static mempool_t *page_pool, *isa_page_pool;
#ifdef CONFIG_HIGHMEM
#if defined(CONFIG_HIGHMEM) || defined(CONFIG_NEED_BOUNCE_POOL)
static __init int init_emergency_pool(void)
{
#ifndef CONFIG_MEMORY_HOTPLUG
#if defined(CONFIG_HIGHMEM) && !defined(CONFIG_MEMORY_HOTPLUG)
if (max_pfn <= max_low_pfn)
return 0;
#endif
page_pool = mempool_create_page_pool(POOL_SIZE, 0);
BUG_ON(!page_pool);
printk("highmem bounce pool size: %d pages\n", POOL_SIZE);
printk("bounce pool size: %d pages\n", POOL_SIZE);
return 0;
}
__initcall(init_emergency_pool);
#endif
#ifdef CONFIG_HIGHMEM
/*
* highmem version, map in to vec
*/