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Add memory compatibility wrappers 

The function vmem_qcache_reap() and global variables 'needfree',
'desfree', and 'lotsfree' are all used in the upstream.  While
these variables have no meaning under Linux they're being defined
as 0's to avoid needing to make additional changes to the ARC code.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2015-06-29 09:25:29 -07:00
parent 3c82160ff2
commit 77ab5dd33a
2 changed files with 4 additions and 0 deletions
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1
include/sys/vmem.h
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@ -98,6 +98,7 @@ extern void *spl_vmalloc(unsigned long size, gfp_t lflags, pgprot_t prot);
#define vmem_alloc(sz, fl) spl_vmem_alloc((sz), (fl), __func__, __LINE__) #define vmem_alloc(sz, fl) spl_vmem_alloc((sz), (fl), __func__, __LINE__)
#define vmem_zalloc(sz, fl) spl_vmem_zalloc((sz), (fl), __func__, __LINE__) #define vmem_zalloc(sz, fl) spl_vmem_zalloc((sz), (fl), __func__, __LINE__)
#define vmem_free(ptr, sz) spl_vmem_free((ptr), (sz)) #define vmem_free(ptr, sz) spl_vmem_free((ptr), (sz))
#define vmem_qcache_reap(ptr) ((void)0)
extern void *spl_vmem_alloc(size_t sz, int fl, const char *func, int line); extern void *spl_vmem_alloc(size_t sz, int fl, const char *func, int line);
extern void *spl_vmem_zalloc(size_t sz, int fl, const char *func, int line); extern void *spl_vmem_zalloc(size_t sz, int fl, const char *func, int line);

3
include/sys/vmsystm.h
View File

@ -36,6 +36,9 @@
#define membar_producer() smp_wmb() #define membar_producer() smp_wmb()
#define physmem totalram_pages #define physmem totalram_pages
#define freemem nr_free_pages() #define freemem nr_free_pages()
#define needfree 0
#define desfree 0
#define lotsfree 0
#define xcopyin(from, to, size) copy_from_user(to, from, size) #define xcopyin(from, to, size) copy_from_user(to, from, size)
#define xcopyout(from, to, size) copy_to_user(to, from, size) #define xcopyout(from, to, size) copy_to_user(to, from, size)