lkml.org 
[lkml]   [2008]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC][2/3] Account and control virtual address space allocations
    YAMAMOTO Takashi wrote:
    >> diff -puN mm/swapfile.c~memory-controller-virtual-address-space-accounting-and-control mm/swapfile.c
    >> diff -puN mm/memory.c~memory-controller-virtual-address-space-accounting-and-control mm/memory.c
    >> --- linux-2.6.25-rc5/mm/memory.c~memory-controller-virtual-address-space-accounting-and-control 2008-03-16 22:57:40.000000000 +0530
    >> +++ linux-2.6.25-rc5-balbir/mm/memory.c 2008-03-16 22:57:40.000000000 +0530
    >> @@ -838,6 +838,11 @@ unsigned long unmap_vmas(struct mmu_gath
    >>
    >> if (vma->vm_flags & VM_ACCOUNT)
    >> *nr_accounted += (end - start) >> PAGE_SHIFT;
    >> + /*
    >> + * Unaccount used virtual memory for cgroups
    >> + */
    >> + mem_cgroup_update_as(vma->vm_mm,
    >> + ((long)(start - end)) >> PAGE_SHIFT);
    >>
    >> while (start != end) {
    >> if (!tlb_start_valid) {
    >
    > i think you can sum and uncharge it with a single call.
    >

    Like nr_accounted? I'll have to duplicate nr_accounted since that depends
    conditionally on VM_ACCOUNT.

    --
    Warm Regards,
    Balbir Singh
    Linux Technology Center
    IBM, ISTL


    \
     
     \ /
      Last update: 2008-03-18 02:15    [W:0.022 / U:30.924 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site