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Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable

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This commit is contained in:
Russell King
2011-12-05 23:27:54 +00:00
parent 742eaa6a6e 0af362f844
commit 73829af71f
96 changed files with 179 additions and 1406 deletions
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29
mm/vmalloc.c
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@@ -1117,6 +1117,32 @@ void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t pro
}
EXPORT_SYMBOL(vm_map_ram);
/**
* vm_area_add_early - add vmap area early during boot
* @vm: vm_struct to add
*
* This function is used to add fixed kernel vm area to vmlist before
* vmalloc_init() is called. @vm->addr, @vm->size, and @vm->flags
* should contain proper values and the other fields should be zero.
*
* DO NOT USE THIS FUNCTION UNLESS YOU KNOW WHAT YOU'RE DOING.
*/
void __init vm_area_add_early(struct vm_struct *vm)
{
struct vm_struct *tmp, **p;
BUG_ON(vmap_initialized);
for (p = &vmlist; (tmp = *p) != NULL; p = &tmp->next) {
if (tmp->addr >= vm->addr) {
BUG_ON(tmp->addr < vm->addr + vm->size);
break;
} else
BUG_ON(tmp->addr + tmp->size > vm->addr);
}
vm->next = *p;
*p = vm;
}
/**
* vm_area_register_early - register vmap area early during boot
* @vm: vm_struct to register
@@ -1139,8 +1165,7 @@ void __init vm_area_register_early(struct vm_struct *vm, size_t align)
vm->addr = (void *)addr;
vm->next = vmlist;
vmlist = vm;
vm_area_add_early(vm);
}
void __init vmalloc_init(void)