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Squashed 'src/leveldb/' changes from 64052c76c5..524b7e36a8

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524b7e36a8 Merge #19: Increase maximum read-only mmap()s used from 1000 to 4096 on 64-bit systems
4874cb8d3e 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:
MarcoFalke 2018-08-09 11:30:12 -04:00
parent 835a21b424
commit ec749b1bcd
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;
}