diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-05-26 13:51:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-26 13:51:35 +0200 |
| commit | de66ee979d0ea45171cc2501750e9f9f22f5a690 (patch) | |
| tree | 5ab1a5c6b596b9b786902fb380274e1e1f4ceb13 /arch/x86/mm | |
| parent | 916f676f8dc016103f983c7ec54c18ecdbb6e349 (diff) | |
| parent | 4db70f73e56961b9bcdfd0c36c62847a18b7dbb5 (diff) | |
| download | kernel_samsung_smdk4412-de66ee979d0ea45171cc2501750e9f9f22f5a690.zip kernel_samsung_smdk4412-de66ee979d0ea45171cc2501750e9f9f22f5a690.tar.gz kernel_samsung_smdk4412-de66ee979d0ea45171cc2501750e9f9f22f5a690.tar.bz2 | |
Merge branch 'linus' into x86/urgent
Merge reason: we want to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/fault.c | 12 | ||||
| -rw-r--r-- | arch/x86/mm/hugetlbpage.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/init.c | 2 |
3 files changed, 13 insertions, 5 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index bcb394d..f7a2a05 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -965,7 +965,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code) struct mm_struct *mm; int fault; int write = error_code & PF_WRITE; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | (write ? FAULT_FLAG_WRITE : 0); tsk = current; @@ -1139,6 +1139,16 @@ good_area: } /* + * Pagefault was interrupted by SIGKILL. We have no reason to + * continue pagefault. + */ + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) { + if (!(error_code & PF_USER)) + no_context(regs, error_code, address); + return; + } + + /* * Major/minor page fault accounting is only done on the * initial attempt. If we go through a retry, it is extremely * likely that the page will be found in page cache at that point. diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index d420398..f581a18 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -72,7 +72,7 @@ static void huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) if (!vma_shareable(vma, addr)) return; - spin_lock(&mapping->i_mmap_lock); + mutex_lock(&mapping->i_mmap_mutex); vma_prio_tree_foreach(svma, &iter, &mapping->i_mmap, idx, idx) { if (svma == vma) continue; @@ -97,7 +97,7 @@ static void huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) put_page(virt_to_page(spte)); spin_unlock(&mm->page_table_lock); out: - spin_unlock(&mapping->i_mmap_lock); + mutex_unlock(&mapping->i_mmap_mutex); } /* diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 37b8b0f..3032644 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -16,8 +16,6 @@ #include <asm/tlb.h> #include <asm/proto.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long __initdata pgt_buf_start; unsigned long __meminitdata pgt_buf_end; unsigned long __meminitdata pgt_buf_top; |