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Merge "Handle large user-mode page sizes, tested to 64k"

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This commit is contained in:
Ed Warnicke
2015-12-13 16:43:54 +00:00
committed by Gerrit Code Review
parent 261e9fffd5 95bb883a62
commit 29726ab117
2 changed files with 6 additions and 3 deletions
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5
svm/svm.c
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@ -632,7 +632,10 @@ static void svm_region_init_internal (char *root_path)
atexit(svm_mutex_cleanup);
/* Randomize the shared-VM base at init time */
randomize_baseva = (ticks & 15) * 4096;
if (MMAP_PAGESIZE <= (4<<10))
randomize_baseva = (ticks & 15) * MMAP_PAGESIZE;
else
randomize_baseva = (ticks & 3) * MMAP_PAGESIZE;
vec_validate(a,0);
a->root_path = root_path;

4
svm/svm.h
View File

@ -25,7 +25,7 @@
#include <vppinfra/clib.h>
#include <vppinfra/mem.h>
#define MMAP_PAGESIZE (4<<10)
#define MMAP_PAGESIZE (clib_mem_get_page_size())
#define SVM_VERSION ((1<<16) | 1) /* set to declare region ready. */
@ -34,7 +34,7 @@
#define SVM_FLAGS_NODATA (1<<2) /* region will be further subdivided */
#define SVM_FLAGS_NEED_DATA_INIT (1<<3)
#define SVM_PVT_MHEAP_SIZE (32<<10) /* region's private mheap (32k) */
#define SVM_PVT_MHEAP_SIZE (128<<10) /* region's private mheap (128k) */
typedef struct svm_region_ {
volatile uword version;