On Tue, 10 Jul 2007, Herbert van den Bergh wrote:
> Hugh Dickins wrote:
> > On Tue, 10 Jul 2007, Dave McCracken wrote:
> >> On Tuesday 10 July 2007, Hugh Dickins wrote:
> >>> Mapped private readonly yes, but vm_stat_account() says
> >>> if (file) {
> >>> mm->shared_vm += pages;
> >>>
Hugh Dickins wrote:
> On Tue, 10 Jul 2007, Dave McCracken wrote:
>> On Tuesday 10 July 2007, Hugh Dickins wrote:
>>> Mapped private readonly yes, but vm_stat_account() says
>>> if (file) {
>>> mm->shared_vm += pages;
>>> if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC)
>>>
On Tue, 10 Jul 2007, Dave McCracken wrote:
> On Tuesday 10 July 2007, Hugh Dickins wrote:
> >
> > Mapped private readonly yes, but vm_stat_account() says
> > if (file) {
> > mm->shared_vm += pages;
> > if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC)
> >
On Tuesday 10 July 2007, Hugh Dickins wrote:
> On Tue, 10 Jul 2007, Dave McCracken wrote:
> > Given that RLIMIT_DATA is pretty much meaningless in current kernels, I
> > would put forward the argument that this change is extremely unlikely to
> > break anything because no one is currently setting i
On Tue, 10 Jul 2007, Dave McCracken wrote:
> On Tuesday 10 July 2007, Hugh Dickins wrote:
> > > >
> > > > This brings the Linux behavior in line with what is documented in the
> > > > POSIX man page for setrlimit(3p).
> >
> > Which says malloc() can fail from it, but conspicuously not that mmap()
>
On Tuesday 10 July 2007, Hugh Dickins wrote:
> On Mon, 9 Jul 2007, Dave McCracken wrote:
> > On Monday 09 July 2007, Herbert van den Bergh wrote:
> > > With this patch, not only memory in the data segment of a process, but
> > > also private data mappings, both file-based and anonymous, are counted
On Mon, 9 Jul 2007, Dave McCracken wrote:
> On Monday 09 July 2007, Herbert van den Bergh wrote:
> > With this patch, not only memory in the data segment of a process, but
> > also private data mappings, both file-based and anonymous, are counted
> > toward the RLIMIT_DATA resource limit. Executab
On Monday 09 July 2007, Herbert van den Bergh wrote:
> With this patch, not only memory in the data segment of a process, but
> also private data mappings, both file-based and anonymous, are counted
> toward the RLIMIT_DATA resource limit. Executable mappings, such as
> text segments of shared obj
This patch changes how the kernel limits memory allocations that are
controlled by setrlimit() using the RLIMIT_DATA resource. Currently the
kernel can limit the size of a process data, bss, and heap, but does not
limit the amount of process private memory that can be allocated with
the mmap() ca
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