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Merge "Don't MAP_POPULATE native ZygoteCommandBuffer" am: 265cc77219

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Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2067673

Change-Id: I743827559c1e7206a0b66e6617a57e72602ca228
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Hans Boehm
2022-04-20 15:16:51 +00:00
committed by Automerger Merge Worker
parent 5301fd1488 265cc77219
commit 74ddb63a2a
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) {