FIX Bug 1 - mckernel aborts due to out of memory access after several mcexec invocations

2013-05-02 11:00:30 +09:00
parent fcd5d65f65
commit b56c090678
1 changed files with 1 additions and 1 deletions
--- a/kernel/host.c
+++ b/kernel/host.c
@ -49,7 +49,7 @@ static void process_msg_prepare_process(unsigned long rphys)

 	sz = sizeof(struct program_load_desc)
 		+ sizeof(struct program_image_section) * 16;
-	npages = (sz + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	npages = (rphys + sz - 1) >> PAGE_SHIFT - rphys >> PAGE_SHIFT + 1;

 	phys = ihk_mc_map_memory(NULL, rphys, sz);
 	p = ihk_mc_map_virtual(phys, npages, PTATTR_WRITABLE);