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CRIS: Add configuration possibility for using kmalloc for modules.

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Using kmalloc instead of vmalloc solves the stability problems
experienced by some 100 LX products.
This commit is contained in:
Jesper Nilsson 2008-01-28 16:28:10 +01:00
parent b4945a90d0
commit 08cfeacb6b
1 changed files with 11 additions and 3 deletions
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14
arch/cris/kernel/module.c
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@ -28,20 +28,28 @@
#define DEBUGP(fmt , ...)
#endif
#ifdef CONFIG_ETRAX_KMALLOCED_MODULES
#define MALLOC_MODULE(size) kmalloc(size, GFP_KERNEL)
#define FREE_MODULE(region) kfree(region)
#else
#define MALLOC_MODULE(size) vmalloc_exec(size)
#define FREE_MODULE(region) vfree(region)
#endif
void *module_alloc(unsigned long size)
{
if (size == 0)
return NULL;
return vmalloc_exec(size);
return MALLOC_MODULE(size);
}
/* Free memory returned from module_alloc */
void module_free(struct module *mod, void *module_region)
{
vfree(module_region);
FREE_MODULE(module_region);
/* FIXME: If module_region == mod->init_region, trim exception
table entries. */
table entries. */
}
/* We don't need anything special. */