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microblaze: Add {z,}alloc_maybe_bootmem functions

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I will need {z,}alloc_maybe_bootmem functions for pci patches

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2010-01-14 17:03:49 +01:00
parent 2549edd353
commit a84642a339
2 changed files with 26 additions and 0 deletions
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3
arch/microblaze/include/asm/system.h
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@ -87,6 +87,9 @@ void free_initmem(void);
extern char *klimit;
extern void ret_from_fork(void);
extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
#ifdef CONFIG_DEBUG_FS
extern struct dentry *of_debugfs_root;
#endif

23
arch/microblaze/mm/init.c
View File

@ -349,4 +349,27 @@ void __init *early_get_page(void)
}
return p;
}
void * __init_refok alloc_maybe_bootmem(size_t size, gfp_t mask)
{
if (mem_init_done)
return kmalloc(size, mask);
else
return alloc_bootmem(size);
}
void * __init_refok zalloc_maybe_bootmem(size_t size, gfp_t mask)
{
void *p;
if (mem_init_done)
p = kzalloc(size, mask);
else {
p = alloc_bootmem(size);
if (p)
memset(p, 0, size);
}
return p;
}
#endif /* CONFIG_MMU */