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Merge "Don't MAP_POPULATE native ZygoteCommandBuffer"

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Hans Boehm
2022-04-20 14:58:49 +00:00
committed by Gerrit Code Review
parent 70c3d35319 7f3e096b70
commit 265cc77219
1 changed files with 1 additions and 1 deletions
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core/jni/com_android_internal_os_ZygoteCommandBuffer.cpp
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@@ -296,7 +296,7 @@ jlong com_android_internal_os_ZygoteCommandBuffer_getNativeBuffer(JNIEnv* env, j
++buffersAllocd; ++buffersAllocd;
// MMap explicitly to get it page aligned. // MMap explicitly to get it page aligned.
void *bufferMem = mmap(NULL, sizeof(NativeCommandBuffer), PROT_READ | PROT_WRITE, void *bufferMem = mmap(NULL, sizeof(NativeCommandBuffer), PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE | MAP_POPULATE, -1, 0); MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
// Currently we mmap and unmap one for every request handled by the Java code. // Currently we mmap and unmap one for every request handled by the Java code.
// That could be improved, but unclear it matters. // That could be improved, but unclear it matters.
if (bufferMem == MAP_FAILED) { if (bufferMem == MAP_FAILED) {