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Squashed 'src/leveldb/' changes from 64052c76c..524b7e36a 

524b7e36a Merge #19: Increase maximum read-only mmap()s used from 1000 to 4096 on 64-bit systems
4874cb8d3 Increase maximum number of read-only mmap()s used from 1000 to 4096 on 64 bit systems.

git-subtree-dir: src/leveldb
git-subtree-split: 524b7e36a8e3bce6fcbcd1b5df09024283f325ba
This commit is contained in:
Jack Grigg 2020-09-23 00:10:53 +01:00
parent b3f8c6e5f4
commit 55f90917f5
1 changed files with 2 additions and 2 deletions
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4
util/env_posix.cc
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@ -585,8 +585,8 @@ static int MaxMmaps() {
if (mmap_limit >= 0) {
return mmap_limit;
}
// Up to 1000 mmaps for 64-bit binaries; none for smaller pointer sizes.
mmap_limit = sizeof(void*) >= 8 ? 1000 : 0;
// Up to 4096 mmaps for 64-bit binaries; none for smaller pointer sizes.
mmap_limit = sizeof(void*) >= 8 ? 4096 : 0;
return mmap_limit;
}