diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/cma.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/cma.h')
| -rw-r--r-- | kernel/include/linux/cma.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/include/linux/cma.h b/kernel/include/linux/cma.h new file mode 100644 index 000000000..f7ef093ec --- /dev/null +++ b/kernel/include/linux/cma.h @@ -0,0 +1,31 @@ +#ifndef __CMA_H__ +#define __CMA_H__ + +/* + * There is always at least global CMA area and a few optional + * areas configured in kernel .config. + */ +#ifdef CONFIG_CMA_AREAS +#define MAX_CMA_AREAS (1 + CONFIG_CMA_AREAS) + +#else +#define MAX_CMA_AREAS (0) + +#endif + +struct cma; + +extern unsigned long totalcma_pages; +extern phys_addr_t cma_get_base(const struct cma *cma); +extern unsigned long cma_get_size(const struct cma *cma); + +extern int __init cma_declare_contiguous(phys_addr_t base, + phys_addr_t size, phys_addr_t limit, + phys_addr_t alignment, unsigned int order_per_bit, + bool fixed, struct cma **res_cma); +extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, + unsigned int order_per_bit, + struct cma **res_cma); +extern struct page *cma_alloc(struct cma *cma, unsigned int count, unsigned int align); +extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count); +#endif |