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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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12
arch/cris/kernel/module.c
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@@ -28,18 +28,26 @@
#define DEBUGP(fmt , ...) #define DEBUGP(fmt , ...)
#endif #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) void *module_alloc(unsigned long size)
{ {
if (size == 0) if (size == 0)
return NULL; return NULL;
return vmalloc_exec(size); return MALLOC_MODULE(size);
} }
/* Free memory returned from module_alloc */ /* Free memory returned from module_alloc */
void module_free(struct module *mod, void *module_region) 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 /* FIXME: If module_region == mod->init_region, trim exception
table entries. */ table entries. */
} }