The patch titled
Subject: mm-vmalloc-fix-align-value-calculation-error-fix
has been added to the -mm tree. Its filename is
mm-vmalloc-fix-align-value-calculation-error-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmalloc-fix-align-value-calculation-error-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-fix-align-value-calculation-error-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-vmalloc-fix-align-value-calculation-error-fix
s/get_order_long()/get_count_order_long()/ to match get_count_order()
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: zijun_hu <zijun_hu@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/bitops.h | 34 +++++++++++++++++-----------------
mm/vmalloc.c | 2 +-
2 files changed, 18 insertions(+), 18 deletions(-)
diff -puN include/linux/bitops.h~mm-vmalloc-fix-align-value-calculation-error-fix include/linux/bitops.h
--- a/include/linux/bitops.h~mm-vmalloc-fix-align-value-calculation-error-fix
+++ a/include/linux/bitops.h
@@ -75,6 +75,23 @@ static inline int get_count_order(unsign
return order;
}
+/**
+ * get_count_order_long - get order after rounding @l up to power of 2
+ * @l: parameter
+ *
+ * The same as get_count_order() but accepts a long type parameter
+ * or 0 is returned if @l == 0UL
+ */
+static inline int get_count_order_long(unsigned long l)
+{
+ if (l == 0UL)
+ return 0;
+ else if (l & (l - 1UL))
+ return fls_long(l);
+ else
+ return fls_long(l) - 1;
+}
+
static __always_inline unsigned long hweight_long(unsigned long w)
{
return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
@@ -192,23 +209,6 @@ static inline unsigned fls_long(unsigned
}
/**
- * get_order_long - get order after rounding @l up to power of 2
- * @l: parameter
- *
- * it is same as get_count_order() but long type parameter
- * or 0 is returned if @l == 0UL
- */
-static inline int get_order_long(unsigned long l)
-{
- if (l == 0UL)
- return 0;
- else if (l & (l - 1UL))
- return fls_long(l);
- else
- return fls_long(l) - 1;
-}
-
-/**
* __ffs64 - find first set bit in a 64 bit word
* @word: The 64 bit word
*
diff -puN mm/vmalloc.c~mm-vmalloc-fix-align-value-calculation-error-fix mm/vmalloc.c
--- a/mm/vmalloc.c~mm-vmalloc-fix-align-value-calculation-error-fix
+++ a/mm/vmalloc.c
@@ -1360,7 +1360,7 @@ static struct vm_struct *__get_vm_area_n
BUG_ON(in_interrupt());
if (flags & VM_IOREMAP)
- align = 1ul << clamp_t(int, get_order_long(size),
+ align = 1ul << clamp_t(int, get_count_order_long(size),
PAGE_SHIFT, IOREMAP_MAX_ORDER);
size = PAGE_ALIGN(size);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
revert-arm-keystone-dts-add-psci-command-definition.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
mm.patch
mm-vmalloc-fix-align-value-calculation-error-fix.patch
linux-next-git-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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