Integrated: JDK-8284178: os::commit_memory() should assert the given range

[Thomas Stuefe]

On Fri, 1 Apr 2022 12:58:47 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Trivial fix to assert that ranges given to os::commit/uncommit/release_memory are not empty.
> 
> I recently hunted an error where the memory reservation failed, was not handled, and the null pointer was accidentally passed to os::commit_memory(). The resulting `mmap()` failed and this looked like a commit error, when it really was a reservation error. An assert would have saved me time.

This pull request has now been integrated.

Changeset: 34914f12
Author:    Thomas Stuefe <stuefe at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/34914f12bee75045e686b5bbe16ec24d116533d5
Stats:     11 lines in 1 file changed: 11 ins; 0 del; 0 mod

8284178: os::commit_memory() should assert the given range

Reviewed-by: shade

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PR: https://git.openjdk.java.net/jdk/pull/8075