The patch titled
task_struct: move ->fpu_counter and ->oomkilladj
has been added to the -mm tree. Its filename is
task_struct-move-fpu_counter-and-oomkilladj.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: task_struct: move ->fpu_counter and ->oomkilladj
From: Alexey Dobriyan <adobriyan@xxxxx>
There is nice 2 byte hole after struct task_struct::ioprio field
into which we can put two 1-byte fields: ->fpu_counter and ->oomkilladj.
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxx>
Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN include/linux/sched.h~task_struct-move-fpu_counter-and-oomkilladj include/linux/sched.h
--- a/include/linux/sched.h~task_struct-move-fpu_counter-and-oomkilladj
+++ a/include/linux/sched.h
@@ -888,6 +888,16 @@ struct task_struct {
#endif
unsigned short ioprio;
+ /*
+ * fpu_counter contains the number of consecutive context switches
+ * that the FPU is used. If this is over a threshold, the lazy fpu
+ * saving becomes unlazy to save the trap. This is an unsigned char
+ * so that after 256 times the counter wraps and the behavior turns
+ * lazy again; this to deal with bursty apps that only use FPU for
+ * a short time
+ */
+ unsigned char fpu_counter;
+ s8 oomkilladj; /* OOM kill score adjustment (bit shift). */
#ifdef CONFIG_BLK_DEV_IO_TRACE
unsigned int btrace_seq;
#endif
@@ -972,16 +982,6 @@ struct task_struct {
struct key *thread_keyring; /* keyring private to this thread */
unsigned char jit_keyring; /* default keyring to attach requested keys to */
#endif
- /*
- * fpu_counter contains the number of consecutive context switches
- * that the FPU is used. If this is over a threshold, the lazy fpu
- * saving becomes unlazy to save the trap. This is an unsigned char
- * so that after 256 times the counter wraps and the behavior turns
- * lazy again; this to deal with bursty apps that only use FPU for
- * a short time
- */
- unsigned char fpu_counter;
- s8 oomkilladj; /* OOM kill score adjustment (bit shift). */
char comm[TASK_COMM_LEN]; /* executable name excluding path
- access with [gs]et_task_comm (which lock
it with task_lock())
_
Patches currently in -mm which might be from adobriyan@xxxxx are
consolidate-ptrace_detach.patch
git-kbuild.patch
git-sched.patch
slub-avoid-touching-page-struct-when-freeing-to-per-cpu-slab-fix.patch
use-list_head-in-binfmt-handling-update.patch
make-unregister_binfmt-return-void.patch
slab_panic-more-proc-posix-timers-shmem.patch
add-kernel-notifierc.patch
add-kernel-notifierc-fix.patch
add-kernel-notifierc-fix-2.patch
tweak-proc-ipmi-removal.patch
shrink-task_struct-if-config_futex=n.patch
userc-deinline.patch
userc-ifdef-mq_bytes.patch
userc-ifdef-mq_bytes-fix.patch
move-kasprintfo-to-obj-y.patch
task_struct-move-fpu_counter-and-oomkilladj.patch
sysctl-core-stop-using-the-unnecessary-ctl_table-typedef.patch
sysctl-factor-out-sysctl_data.patch
sysct-mqueue-remove-the-binary-sysctl-numbers.patch
sysctl-remove-binary-sysctl-support-where-it-clearly-doesnt-work.patch
sysctl-fix-neighbour-table-sysctls.patch
sysctl-ipv6-route-flushing-kill-binary-path.patch
sysctl-remove-broken-sunrpc-debug-binary-sysctls.patch
sysctl-x86_64-remove-unnecessary-binary-paths.patch
sysctl-remove-broken-cdrom-binary-sysctls.patch
sysctl-ipv4-remove-binary-sysctl-paths-where-they-are-broken.patch
sysctl-remove-the-binary-interface-for-aio-nr-aio-max-nr-acpi_video_flags.patch
sysctl-error-on-bad-sysctl-tables.patch
sysctl-update-sysctl_check_table.patch
single_open-seq_release-leak-diagnostics.patch
-
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