lkml.org 
[lkml]   [2006]   [Nov]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 6/13] BC: kmemsize accounting (core)
    Pekka Enberg wrote:
    > Hi,
    >
    > On 11/9/06, Kirill Korotaev <dev@sw.ru> wrote:
    >> +#ifdef CONFIG_BEANCOUNTERS
    >> +#define BC_EXTRASIZE sizeof(struct beancounter *)
    >> +static inline size_t slab_mgmt_size_noalign(int flags, size_t nr_objs)
    >> +{
    >> + size_t size;
    >> +
    >> + size = slab_mgmt_size_raw(nr_objs);
    >> + if (flags & SLAB_BC)
    >> + size = ALIGN(size, BC_EXTRASIZE) + nr_objs *
    >> BC_EXTRASIZE;
    >> + return size;
    >
    > Why do we want to track each allocated _object_ in the slab? Isn't
    > tracking pages enough?

    No. One page may contain objects allocated in different beancounters.
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-11-13 13:21    [W:0.021 / U:34.000 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site