[PATCH 4/6] file_ram_alloc: change length argument to size_t (v2)

[Eduardo Habkost <ehabkost@xxxxxxxxxx>]

While we are at it, rename it to "length", as "memory" doesn't mean
anything.

Changes v1 -> v2:
 - Rebase after coding style changes

Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
---
 exec.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/exec.c b/exec.c
index d856325..1e98244 100644
--- a/exec.c
+++ b/exec.c
@@ -2357,7 +2357,7 @@ static long gethugepagesize(const char *path)
 }
 
 static void *file_ram_alloc(RAMBlock *block,
-                            ram_addr_t memory,
+                            size_t length,
                             const char *path)
 {
     gchar *filename;
@@ -2373,7 +2373,7 @@ static void *file_ram_alloc(RAMBlock *block,
         return NULL;
     }
 
-    if (memory < hpagesize) {
+    if (length < hpagesize) {
         return NULL;
     }
 
@@ -2392,7 +2392,7 @@ static void *file_ram_alloc(RAMBlock *block,
     unlink(filename);
     g_free(filename);
 
-    memory = (memory + hpagesize - 1) & ~(hpagesize - 1);
+    length = (length + hpagesize - 1) & ~(hpagesize - 1);
 
     /*
      * ftruncate is not supported by hugetlbfs in older
@@ -2400,7 +2400,7 @@ static void *file_ram_alloc(RAMBlock *block,
      * If anything goes wrong with it under other filesystems,
      * mmap will fail.
      */
-    if (ftruncate(fd, memory)) {
+    if (ftruncate(fd, length)) {
         perror("ftruncate");
     }
 
@@ -2410,9 +2410,9 @@ static void *file_ram_alloc(RAMBlock *block,
      * to sidestep this quirk.
      */
     flags = mem_prealloc ? MAP_POPULATE | MAP_SHARED : MAP_PRIVATE;
-    area = mmap(0, memory, PROT_READ | PROT_WRITE, flags, fd, 0);
+    area = mmap(0, length, PROT_READ | PROT_WRITE, flags, fd, 0);
 #else
-    area = mmap(0, memory, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+    area = mmap(0, length, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
 #endif
     if (area == MAP_FAILED) {
         perror("file_ram_alloc: can't mmap RAM pages");
-- 
1.7.10.4

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