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vmalloc: use kzalloc() instead of alloc_bootmem()
We can call vmalloc_init() after kmem_cache_init() and use kzalloc() instead of the bootmem allocator when initializing vmalloc data structures. Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Nick Piggin <npiggin@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
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2 changed files with 2 additions and 3 deletions
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@ -587,7 +587,6 @@ asmlinkage void __init start_kernel(void)
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* kmem_cache_init()
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*/
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pidhash_init();
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vmalloc_init();
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vfs_caches_init_early();
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sort_main_extable();
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trap_init();
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@ -596,6 +595,7 @@ asmlinkage void __init start_kernel(void)
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*/
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mem_init();
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kmem_cache_init();
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vmalloc_init();
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/*
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* Set up the scheduler prior starting any interrupts (such as the
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* timer interrupt). Full topology setup happens at smp_init()
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@ -23,7 +23,6 @@
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#include <linux/rbtree.h>
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#include <linux/radix-tree.h>
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#include <linux/rcupdate.h>
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#include <linux/bootmem.h>
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#include <linux/pfn.h>
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#include <asm/atomic.h>
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@ -1032,7 +1031,7 @@ void __init vmalloc_init(void)
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/* Import existing vmlist entries. */
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for (tmp = vmlist; tmp; tmp = tmp->next) {
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va = alloc_bootmem(sizeof(struct vmap_area));
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va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT);
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va->flags = tmp->flags | VM_VM_AREA;
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va->va_start = (unsigned long)tmp->addr;
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va->va_end = va->va_start + tmp->size;
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