diff options
| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-03-18 12:32:34 +0100 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-03-18 12:32:34 +0100 |
| commit | 72370c1f8422735db3b7ee325b71cfe9117e301b (patch) | |
| tree | 9ecd0c956e4d486d2eb3564e690536ce2af90406 /debian | |
| parent | 58e4660f73968c1c6c348b46249407d96a8c3e55 (diff) | |
drop padding patch
Diffstat (limited to 'debian')
| -rw-r--r-- | debian/patches/Add-some-padding-to-make-objects-fit-a-single-cache-.patch | 58 | ||||
| -rw-r--r-- | debian/patches/series | 1 |
2 files changed, 0 insertions, 59 deletions
diff --git a/debian/patches/Add-some-padding-to-make-objects-fit-a-single-cache-.patch b/debian/patches/Add-some-padding-to-make-objects-fit-a-single-cache-.patch deleted file mode 100644 index f2de691..0000000 --- a/debian/patches/Add-some-padding-to-make-objects-fit-a-single-cache-.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 065a76b5dfc8e495b6ed170df57a1ce86894ead0 Mon Sep 17 00:00:00 2001 -From: Justus Winter <4winter@informatik.uni-hamburg.de> -Date: Wed, 30 Apr 2014 16:15:34 +0200 -Subject: [PATCH 2/2] Add some padding to make objects fit a single cache line - -Add four bytes of padding to struct ipc_space, struct vm_fault_state, -and struct vm_map_entry. - -XXX vm_map_entry one is kinda expensive - -* ipc/ipc_space.h (struct ipc_space): Add four bytes of padding. -* vm/vm_fault.c (struct vm_fault_state): Likewise. -* vm/vm_map.h (struct vm_map_entry): Likewise. ---- - ipc/ipc_space.h | 1 + - vm/vm_fault.c | 1 + - vm/vm_map.h | 1 + - 3 files changed, 3 insertions(+) - -diff --git a/ipc/ipc_space.h b/ipc/ipc_space.h -index c4683d2..278b4c9 100644 ---- a/ipc/ipc_space.h -+++ b/ipc/ipc_space.h -@@ -79,6 +79,7 @@ struct ipc_space { - ipc_entry_num_t is_tree_total; /* number of entries in the tree */ - ipc_entry_num_t is_tree_small; /* # of small entries in the tree */ - ipc_entry_num_t is_tree_hash; /* # of hashed entries in the tree */ -+ char padding[4]; /* pad to cacheline size */ - }; - - #define IS_NULL ((ipc_space_t) 0) -diff --git a/vm/vm_fault.c b/vm/vm_fault.c -index 686156c..431480e 100644 ---- a/vm/vm_fault.c -+++ b/vm/vm_fault.c -@@ -82,6 +82,7 @@ typedef struct vm_fault_state { - vm_offset_t vmfp_offset; - struct vm_page *vmfp_first_m; - vm_prot_t vmfp_access; -+ char padding[4]; /* pad to cacheline size */ - } vm_fault_state_t; - - struct kmem_cache vm_fault_state_cache; -diff --git a/vm/vm_map.h b/vm/vm_map.h -index b8103eb..ac5f109 100644 ---- a/vm/vm_map.h -+++ b/vm/vm_map.h -@@ -126,6 +126,7 @@ struct vm_map_entry { - -1 for non-persistent kernel map projected buffer entry; - pointer to corresponding kernel map entry for user map - projected buffer entry */ -+ char padding[4]; /* pad to cacheline size */ - }; - - typedef struct vm_map_entry *vm_map_entry_t; --- -1.9.2 - diff --git a/debian/patches/series b/debian/patches/series index dcd851b..8a6cd15 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -4,7 +4,6 @@ 60_bigmem.patch 70_dde.patch -Add-some-padding-to-make-objects-fit-a-single-cache-.patch vm_cache_policy.patch vm_page_cleanq.patch task-load.patch |