The patch titled
Subject: mm/swap_state.c: declare a few variables as __read_mostly
has been added to the -mm tree. Its filename is
mm-swap_statec-declare-a-few-variables-as-__read_mostly.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-swap_statec-declare-a-few-variables-as-__read_mostly.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-swap_statec-declare-a-few-variables-as-__read_mostly.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Changbin Du <changbin.du@xxxxxxxxx>
Subject: mm/swap_state.c: declare a few variables as __read_mostly
These global variables are only set during initialization or rarely
change, so declare them as __read_mostly.
Link: http://lkml.kernel.org/r/1507802349-5554-1-git-send-email-changbin.du@xxxxxxxxx
Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swap_state.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/swap_state.c~mm-swap_statec-declare-a-few-variables-as-__read_mostly mm/swap_state.c
--- a/mm/swap_state.c~mm-swap_statec-declare-a-few-variables-as-__read_mostly
+++ a/mm/swap_state.c
@@ -35,9 +35,9 @@ static const struct address_space_operat
#endif
};
-struct address_space *swapper_spaces[MAX_SWAPFILES];
-static unsigned int nr_swapper_spaces[MAX_SWAPFILES];
-bool swap_vma_readahead = true;
+struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly;
+static unsigned int nr_swapper_spaces[MAX_SWAPFILES] __read_mostly;
+bool swap_vma_readahead __read_mostly = true;
#define SWAP_RA_WIN_SHIFT (PAGE_SHIFT / 2)
#define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1)
_
Patches currently in -mm which might be from changbin.du@xxxxxxxxx are
mm-update-comments-for-struct-pagemapping.patch
mm-swap_statec-declare-a-few-variables-as-__read_mostly.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
