The patch titled
mm: save some bytes in mm_struct by filling holes on 64bit
has been removed from the -mm tree. Its filename was
mm-save-some-bytes-in-mm_struct-by-filling-holes-on-64bit.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
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Subject: mm: save some bytes in mm_struct by filling holes on 64bit
From: Andi Kleen <ak@xxxxxxx>
Save some bytes in mm_struct by filling holes
Putting int values together for better packing on 64bit shrinks sizeof(struct
mm_struct) from 776 bytes to 764 bytes.
Signed-off-by: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm_types.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/mm_types.h~mm-save-some-bytes-in-mm_struct-by-filling-holes-on-64bit include/linux/mm_types.h
--- a/include/linux/mm_types.h~mm-save-some-bytes-in-mm_struct-by-filling-holes-on-64bit
+++ a/include/linux/mm_types.h
@@ -172,6 +172,7 @@ struct mm_struct {
atomic_t mm_users; /* How many users with user space? */
atomic_t mm_count; /* How many references to "struct mm_struct" (users count as 1) */
int map_count; /* number of VMAs */
+ int core_waiters;
struct rw_semaphore mmap_sem;
spinlock_t page_table_lock; /* Protects page tables and some counters */
@@ -216,11 +217,10 @@ struct mm_struct {
unsigned long flags; /* Must use atomic bitops to access the bits */
/* coredumping support */
- int core_waiters;
struct completion *core_startup_done, core_done;
/* aio bits */
- rwlock_t ioctx_list_lock;
+ rwlock_t ioctx_list_lock; /* aio lock */
struct kioctx *ioctx_list;
#ifdef CONFIG_CGROUP_MEM_RES_CTLR
struct mem_cgroup *mem_cgroup;
_
Patches currently in -mm which might be from ak@xxxxxxx are
origin.patch
x86-ptrace-pebs-support.patch
x86-ptrace-pebs-support-warning-fix.patch
bkl-removal-convert-cifs-over-to-unlocked_ioctl.patch
lib-swiotlbc-cleanups.patch
x86-olpc-add-one-laptop-per-child-architecture-support.patch
x86-olpc-add-one-laptop-per-child-architecture-support-fix.patch
x86-olpc-add-one-laptop-per-child-architecture-support-fix-2.patch
tty_ioctl-locking-for-tty_wait_until_sent.patch
profile-likely-unlikely-macros.patch
profile-likely-unlikely-macros-fix.patch
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