+ mm-vmalloc-use-clamp-to-simplify-code.patch added to -mm tree

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Subject: + mm-vmalloc-use-clamp-to-simplify-code.patch added to -mm tree
To: zhangyanfei@xxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 04 Jun 2013 14:01:49 -0700


The patch titled
     Subject: mm, vmalloc: use clamp() to simplify code
has been added to the -mm tree.  Its filename is
     mm-vmalloc-use-clamp-to-simplify-code.patch

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------------------------------------------------------
From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Subject: mm, vmalloc: use clamp() to simplify code

Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/vmalloc.c |   12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff -puN mm/vmalloc.c~mm-vmalloc-use-clamp-to-simplify-code mm/vmalloc.c
--- a/mm/vmalloc.c~mm-vmalloc-use-clamp-to-simplify-code
+++ a/mm/vmalloc.c
@@ -1330,16 +1330,8 @@ static struct vm_struct *__get_vm_area_n
 	struct vm_struct *area;
 
 	BUG_ON(in_interrupt());
-	if (flags & VM_IOREMAP) {
-		int bit = fls(size);
-
-		if (bit > IOREMAP_MAX_ORDER)
-			bit = IOREMAP_MAX_ORDER;
-		else if (bit < PAGE_SHIFT)
-			bit = PAGE_SHIFT;
-
-		align = 1ul << bit;
-	}
+	if (flags & VM_IOREMAP)
+		align = 1ul << clamp(fls(size), PAGE_SHIFT, IOREMAP_MAX_ORDER);
 
 	size = PAGE_ALIGN(size);
 	if (unlikely(!size))
_

Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are

linux-next.patch
ipvs-change-type-of-netns_ipvs-sysctl_sync_qlen_max.patch
vmcore-clean-up-read_vmcore.patch
vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment.patch
vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment-fix.patch
vmcore-treat-memory-chunks-referenced-by-pt_load-program-header-entries-in-page-size-boundary-in-vmcore_list.patch
vmalloc-make-find_vm_area-check-in-range.patch
vmalloc-introduce-remap_vmalloc_range_partial.patch
vmalloc-introduce-remap_vmalloc_range_partial-fix.patch
vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory.patch
vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory-fix.patch
vmcore-allow-user-process-to-remap-elf-note-segment-buffer.patch
vmcore-allow-user-process-to-remap-elf-note-segment-buffer-fix.patch
vmcore-calculate-vmcore-file-size-from-buffer-size-and-total-size-of-vmcore-objects.patch
vmcore-support-mmap-on-proc-vmcore.patch
vmcore-support-mmap-on-proc-vmcore-fix.patch
mm-remove-duplicated-call-of-get_pfn_range_for_nid.patch
mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch
mm-vmalloc-only-call-setup_vmalloc_vm-only-in-__get_vm_area_node.patch
mm-vmalloc-call-setup_vmalloc_vm-instead-of-insert_vmalloc_vm.patch
mm-vmalloc-remove-insert_vmalloc_vm.patch
mm-vmalloc-use-clamp-to-simplify-code.patch
dev-oldmem-remove-the-interface.patch
dev-oldmem-remove-the-interface-fix.patch
documentation-kdump-kdumptxt-remove-dev-oldmem-description.patch
mips-remove-savemaxmem-parameter-setup.patch
powerpc-remove-savemaxmem-parameter-setup.patch
ia64-remove-setting-for-saved_max_pfn.patch
s390-remove-setting-for-saved_max_pfn.patch

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