[newlib-cygwin] statm should report memory as multiples of allocation_granularity instead of page_size

[Corinna Vinschen <corinna at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6477a48cd170b749d6eedad85944f77995edc0fb

commit 6477a48cd170b749d6eedad85944f77995edc0fb
Author: Erik M. Bray <erik.bray@lri.fr>
Date:   Wed Nov 16 15:36:41 2016 +0100

    statm should report memory as multiples of allocation_granularity instead of page_size
    
    that ensures that values in statm mupltiplied by POSIX _SC_PAGESIZE give the correct values

Diff:
---
 winsup/cygwin/fhandler_process.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc
index 02f7ca0..c5698c3 100644
--- a/winsup/cygwin/fhandler_process.cc
+++ b/winsup/cygwin/fhandler_process.cc
@@ -1251,12 +1251,16 @@ format_process_statm (void *data, char *&destbuf)
   _pinfo *p = (_pinfo *) data;
   unsigned long vmsize = 0UL, vmrss = 0UL, vmtext = 0UL, vmdata = 0UL,
 		vmlib = 0UL, vmshare = 0UL;
+  size_t page_scale;
   if (!get_mem_values (p->dwProcessId, &vmsize, &vmrss, &vmtext, &vmdata,
 		       &vmlib, &vmshare))
     return 0;
+
+  page_scale = wincap.allocation_granularity() / wincap.page_size();
   destbuf = (char *) crealloc_abort (destbuf, 96);
   return __small_sprintf (destbuf, "%ld %ld %ld %ld %ld %ld 0\n",
-			  vmsize, vmrss, vmshare, vmtext, vmlib, vmdata);
+              vmsize / page_scale, vmrss / page_scale, vmshare / page_scale,
+              vmtext / page_scale, vmlib / page_scale, vmdata / page_scale);
 }
 
 extern "C" {