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authorJeremy Fitzhardinge <jeremy@goop.org>2007-05-02 13:27:14 -0400
committerAndi Kleen <andi@basil.nowhere.org>2007-05-02 13:27:14 -0400
commitd6dd61c831226f9cd7750885da04d360d6455101 (patch)
tree30f84a429821d207f7de5dd6225d3d9515042c0a /include/asm-sparc64/mmu_context.h
parent5311ab62cdc7788784971ed816ce85e926f3e994 (diff)
[PATCH] x86: PARAVIRT: add hooks to intercept mm creation and destruction
Add hooks to allow a paravirt implementation to track the lifetime of an mm. Paravirtualization requires three hooks, but only two are needed in common code. They are: arch_dup_mmap, which is called when a new mmap is created at fork arch_exit_mmap, which is called when the last process reference to an mm is dropped, which typically happens on exit and exec. The third hook is activate_mm, which is called from the arch-specific activate_mm() macro/function, and so doesn't need stub versions for other architectures. It's called when an mm is first used. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: linux-arch@vger.kernel.org Cc: James Bottomley <James.Bottomley@SteelEye.com> Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-sparc64/mmu_context.h')
-rw-r--r--include/asm-sparc64/mmu_context.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 2337eb487719..8d129032013e 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -9,6 +9,7 @@
9#include <linux/spinlock.h> 9#include <linux/spinlock.h>
10#include <asm/system.h> 10#include <asm/system.h>
11#include <asm/spitfire.h> 11#include <asm/spitfire.h>
12#include <asm-generic/mm_hooks.h>
12 13
13static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) 14static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
14{ 15{