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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:00:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:00:19 -0800
commit17c330f98383629cfd359ee62b3adde1d2a3ff7c (patch)
tree876bed8fc7de7d404fae579035a948c46a7f05d4 /arch/sparc/kernel/mdesc.c
parent48e902f0a3aea4b6b3a73e9d277b92024a493e6d (diff)
parent7466bd3caab6bd1d0095de957affbacd02ca58a7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix clock event multiplier printf format. sparc64: Use clock{source,events}_calc_mult_shift(). sparc64: Use free_bootmem_late() in mdesc_lmb_free(). sparc: Add alignment and emulation fault perf events. sparc64: Add syscall tracepoint support. sparc: Stop trying to be so fancy and use __builtin_{memcpy,memset}() sparc: Use __builtin_object_size() to validate the buffer size for copy_from_user() sparc64: Add some missing __kprobes annotations to kernel fault paths. sparc64: Use kprobes_built_in() to avoid ifdefs in fault_64.c sparc: Validate that kprobe address is 4-byte aligned. sparc64: Don't specify IRQF_SHARED for LDC interrupts. sparc64: Fix stack debugging IRQ stack regression. sparc64: Fix overly strict range type matching for PCI devices.
Diffstat (limited to 'arch/sparc/kernel/mdesc.c')
-rw-r--r--arch/sparc/kernel/mdesc.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 938da19dc065..cdc91d919e93 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -10,6 +10,7 @@
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/miscdevice.h>
+#include <linux/bootmem.h>
#include <asm/cpudata.h>
#include <asm/hypervisor.h>
@@ -108,25 +109,15 @@ static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
static void mdesc_lmb_free(struct mdesc_handle *hp)
{
- unsigned int alloc_size, handle_size = hp->handle_size;
- unsigned long start, end;
+ unsigned int alloc_size;
+ unsigned long start;
BUG_ON(atomic_read(&hp->refcnt) != 0);
BUG_ON(!list_empty(&hp->list));
- alloc_size = PAGE_ALIGN(handle_size);
-
- start = (unsigned long) hp;
- end = start + alloc_size;
-
- while (start < end) {
- struct page *p;
-
- p = virt_to_page(start);
- ClearPageReserved(p);
- __free_page(p);
- start += PAGE_SIZE;
- }
+ alloc_size = PAGE_ALIGN(hp->handle_size);
+ start = __pa(hp);
+ free_bootmem_late(start, alloc_size);
}
static struct mdesc_mem_ops lmb_mdesc_ops = {