The patch titled
Subject: score: get rid of superfluous __GFP_REPEAT
has been added to the -mm tree. Its filename is
score-get-rid-of-superfluous-__gfp_repeat.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/score-get-rid-of-superfluous-__gfp_repeat.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/score-get-rid-of-superfluous-__gfp_repeat.patch
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------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: score: get rid of superfluous __GFP_REPEAT
__GFP_REPEAT has a rather weak semantic but since it has been introduced
around 2.6.12 it has been ignored for low order allocations.
pte_alloc_one{_kernel} allocate PTE_ORDER which is 0. This means that
this flag has never been actually useful here because it has always been
used only for PAGE_ALLOC_COSTLY requests.
Link: http://lkml.kernel.org/r/1464599699-30131-11-git-send-email-mhocko@xxxxxxxxxx
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Chen Liqin <liqin.linux@xxxxxxxxx>
Cc: Lennox Wu <lennox.wu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/score/include/asm/pgalloc.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff -puN arch/score/include/asm/pgalloc.h~score-get-rid-of-superfluous-__gfp_repeat arch/score/include/asm/pgalloc.h
--- a/arch/score/include/asm/pgalloc.h~score-get-rid-of-superfluous-__gfp_repeat
+++ a/arch/score/include/asm/pgalloc.h
@@ -42,8 +42,7 @@ static inline pte_t *pte_alloc_one_kerne
{
pte_t *pte;
- pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO,
- PTE_ORDER);
+ pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER);
return pte;
}
@@ -53,7 +52,7 @@ static inline struct page *pte_alloc_one
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+ pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
if (!pte)
return NULL;
clear_highpage(pte);
_
Patches currently in -mm which might be from mhocko@xxxxxxxx are
mm-oom_reaper-do-not-use-siglock-in-try_oom_reaper.patch
tree-wide-get-rid-of-__gfp_repeat-for-order-0-allocations-part-i.patch
x86-get-rid-of-superfluous-__gfp_repeat.patch
x86-efi-get-rid-of-superfluous-__gfp_repeat.patch
arm-get-rid-of-superfluous-__gfp_repeat.patch
arm64-get-rid-of-superfluous-__gfp_repeat.patch
arc-get-rid-of-superfluous-__gfp_repeat.patch
mips-get-rid-of-superfluous-__gfp_repeat.patch
nios2-get-rid-of-superfluous-__gfp_repeat.patch
parisc-get-rid-of-superfluous-__gfp_repeat.patch
score-get-rid-of-superfluous-__gfp_repeat.patch
powerpc-get-rid-of-superfluous-__gfp_repeat.patch
sparc-get-rid-of-superfluous-__gfp_repeat.patch
s390-get-rid-of-superfluous-__gfp_repeat.patch
sh-get-rid-of-superfluous-__gfp_repeat.patch
tile-get-rid-of-superfluous-__gfp_repeat.patch
unicore32-get-rid-of-superfluous-__gfp_repeat.patch
jbd2-get-rid-of-superfluous-__gfp_repeat.patch
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