Changeset 436a0a5 in mainline for kernel/test/mm/slab1.c

Timestamp:

2018-11-09T22:04:01Z (5 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

95d45482

Parents:

88e43bc (diff), abf6c01 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

(merge) Reduce the number of blocking allocations in the kernel

File:

• kernel/test/mm/slab1.c (modified) (4 diffs)

kernel/test/mm/slab1.c

@@ -50 +50 @@
 
         for (i = 0; i < count; i++) {
-                data[i] = slab_alloc(cache, 0);
-                memsetb(data[i], size, 0);
+                data[i] = slab_alloc(cache, FRAME_ATOMIC);
+                if (data[i])
+                        memsetb(data[i], size, 0);
         }
 
@@ -66 +67 @@
 
         for (i = 0; i < count; i++) {
-                data[i] = slab_alloc(cache, 0);
-                memsetb(data[i], size, 0);
+                data[i] = slab_alloc(cache, FRAME_ATOMIC);
+                if (data[i])
+                        memsetb(data[i], size, 0);
         }
 
@@ -82 +84 @@
 
         for (i = count / 2; i < count; i++) {
-                data[i] = slab_alloc(cache, 0);
-                memsetb(data[i], size, 0);
+                data[i] = slab_alloc(cache, FRAME_ATOMIC);
+                if (data[i])
+                        memsetb(data[i], size, 0);
         }
 
@@ -131 +134 @@
         for (j = 0; j < 10; j++) {
                 for (i = 0; i < THR_MEM_COUNT; i++)
-                        thr_data[offs][i] = slab_alloc(thr_cache, 0);
+                        thr_data[offs][i] = slab_alloc(thr_cache, FRAME_ATOMIC);
                 for (i = 0; i < THR_MEM_COUNT / 2; i++)
                         slab_free(thr_cache, thr_data[offs][i]);
                 for (i = 0; i < THR_MEM_COUNT / 2; i++)
-                        thr_data[offs][i] = slab_alloc(thr_cache, 0);
+                        thr_data[offs][i] = slab_alloc(thr_cache, FRAME_ATOMIC);
                 for (i = 0; i < THR_MEM_COUNT; i++)
                         slab_free(thr_cache, thr_data[offs][i]);