The patch titled
Subject: pid_namespace.c/.h: simplify defines
has been added to the -mm tree. Its filename is
pid_namespacec-h-simplify-defines.patch
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------------------------------------------------------
From: "Raphael S.Carvalho" <raphael.scarv@xxxxxxxxx>
Subject: pid_namespace.c/.h: simplify defines
Move BITS_PER_PAGE from pid_namespace.c to pid_namespace.h, since we can
simplify the define PID_MAP_ENTRIES by using the BITS_PER_PAGE.
Signed-off-by: Raphael S.Carvalho <raphael.scarv@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/pid_namespace.h | 3 ++-
kernel/pid_namespace.c | 2 --
2 files changed, 2 insertions(+), 3 deletions(-)
diff -puN include/linux/pid_namespace.h~pid_namespacec-h-simplify-defines include/linux/pid_namespace.h
--- a/include/linux/pid_namespace.h~pid_namespacec-h-simplify-defines
+++ a/include/linux/pid_namespace.h
@@ -13,7 +13,8 @@ struct pidmap {
void *page;
};
-#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
+#define BITS_PER_PAGE (PAGE_SIZE * 8)
+#define PIDMAP_ENTRIES ((PID_MAX_LIMIT+BITS_PER_PAGE-1)/BITS_PER_PAGE)
struct bsd_acct_struct;
diff -puN kernel/pid_namespace.c~pid_namespacec-h-simplify-defines kernel/pid_namespace.c
--- a/kernel/pid_namespace.c~pid_namespacec-h-simplify-defines
+++ a/kernel/pid_namespace.c
@@ -19,8 +19,6 @@
#include <linux/reboot.h>
#include <linux/export.h>
-#define BITS_PER_PAGE (PAGE_SIZE*8)
-
struct pid_cache {
int nr_ids;
char name[16];
_
Patches currently in -mm which might be from raphael.scarv@xxxxxxxxx are
pid_namespacec-h-simplify-defines.patch
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