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authorDavid Rientjes <rientjes@google.com>2011-01-13 15:46:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:34 -0800
commitd0a21265dfb5fa8ae54e90d0fb6d1c215b10a28a (patch)
treea3bf2c96ad8e180f32a52e208667a40bb972275b /arch/x86/kernel/module.c
parentec3f64fc9c196a304c4b7db3e1ff56d640628509 (diff)
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mm: unify module_alloc code for vmalloc
Four architectures (arm, mips, sparc, x86) use __vmalloc_area() for module_init(). Much of the code is duplicated and can be generalized in a globally accessible function, __vmalloc_node_range(). __vmalloc_node() now calls into __vmalloc_node_range() with a range of [VMALLOC_START, VMALLOC_END) for functionally equivalent behavior. Each architecture may then use __vmalloc_node_range() directly to remove the duplication of code. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel/module.c')
-rw-r--r--arch/x86/kernel/module.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 8f29560..ab23f1a 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -37,20 +37,11 @@
void *module_alloc(unsigned long size)
{
- struct vm_struct *area;
-
- if (!size)
- return NULL;
- size = PAGE_ALIGN(size);
- if (size > MODULES_LEN)
+ if (PAGE_ALIGN(size) > MODULES_LEN)
return NULL;
-
- area = __get_vm_area(size, VM_ALLOC, MODULES_VADDR, MODULES_END);
- if (!area)
- return NULL;
-
- return __vmalloc_area(area, GFP_KERNEL | __GFP_HIGHMEM,
- PAGE_KERNEL_EXEC);
+ return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
+ GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC,
+ -1, __builtin_return_address(0));
}
/* Free memory returned from module_alloc */
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