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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 13:47:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 13:47:29 -0700
commitc3b86a29429dac1033e3f602f51fa8d00006a8eb (patch)
treebcedd0a553ca2396eeb58318ef6ee6b426e83652 /mm
parent8d8d2e9ccd331a1345c88b292ebee9d256fd8749 (diff)
parent2aeb66d3036dbafc297ac553a257a40283dadb3e (diff)
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Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32, percpu: Correct the ordering of the percpu readmostly section x86, mm: Enable ARCH_DMA_ADDR_T_64BIT with X86_64 || HIGHMEM64G x86: Spread tlb flush vector between nodes percpu: Introduce a read-mostly percpu API x86, mm: Fix incorrect data type in vmalloc_sync_all() x86, mm: Hold mm->page_table_lock while doing vmalloc_sync x86, mm: Fix bogus whitespace in sync_global_pgds() x86-32: Fix sparse warning for the __PHYSICAL_MASK calculation x86, mm: Add RESERVE_BRK_ARRAY() helper mm, x86: Saving vmcore with non-lazy freeing of vmas x86, kdump: Change copy_oldmem_page() to use cached addressing x86, mm: fix uninitialized addr in kernel_physical_mapping_init() x86, kmemcheck: Remove double test x86, mm: Make spurious_fault check explicitly check the PRESENT bit x86-64, mem: Update all PGDs for direct mapping and vmemmap mapping changes x86, mm: Separate x86_64 vmalloc_sync_all() into separate functions x86, mm: Avoid unnecessary TLB flush
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c2
-rw-r--r--mm/vmalloc.c9
2 files changed, 10 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 0e18b4d649e..98b58fecede 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3185,7 +3185,7 @@ static inline int handle_pte_fault(struct mm_struct *mm,
* with threads.
*/
if (flags & FAULT_FLAG_WRITE)
- flush_tlb_page(vma, address);
+ flush_tlb_fix_spurious_fault(vma, address);
}
unlock:
pte_unmap_unlock(pte, ptl);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 6b8889da69a..d8087f0db50 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -517,6 +517,15 @@ static atomic_t vmap_lazy_nr = ATOMIC_INIT(0);
static void purge_fragmented_blocks_allcpus(void);
/*
+ * called before a call to iounmap() if the caller wants vm_area_struct's
+ * immediately freed.
+ */
+void set_iounmap_nonlazy(void)
+{
+ atomic_set(&vmap_lazy_nr, lazy_max_pages()+1);
+}
+
+/*
* Purges all lazily-freed vmap areas.
*
* If sync is 0 then don't purge if there is already a purge in progress.